Electrical conduit was tied to the rebar and set up to run electrical wire for outlets. This would be when the toxic NH3 and NO2 will spike until the tank is cycled and the bacteria equilibrium is re-established. Use either rope, a garden hose, or spray paint to make sure that you are happy with the size and location of the pond. The N03 accumulates at the end of the cycle and there are 3 (4) ways to deal with it: 1- plants use it as fertilizer, so put fast growing plants that have their roots in the water (can be in a pot). I have a couple of questions regarding the concrete for my base. A piece of masonite and luan plywood was screwed to the face of the support structure. These too were connected by screwing through the lip and into the concrete using 6" long masonry screws. The walls are poured! If the pond has some design flaws that you need to change or if you need to remove the pond, a rubber liner is much easier to work with. The more you feed them the more they will grow, these fish eat nonstop. There are good and bad types of algae, these types that are in the constant flow of water actually prevent you from having a yuck green pond, so you want to promote their growth. So in all my experience, I learned that there is no need to fight mother nature with chemicals. Step 6: These fish have a long and extremely colorful history in the fish keeping industry!. as long as you have healthy water quality and feed them they will grow to any size. Ideally, the location should be somewhere where it is visible from the inside of the house and which has adequate sitting room around its edges. So a traditional filter with high oxygenated water flow does not work well. How to Build a Large Garden Pond With Concrete 1. l. Level, 6ft and 2ft In addition, NO3 is a fertilizer and that is what leads to algae problems. You shouldn't worry about your fish hiding too much. This will provide a base for you to connect the outside of the form. 3. Mix in the color of your choosing. Simply lay a piece of 1/2 plywood down level on the ground and strike the arc. Cover the pond with plastic sheeting or a tarp suspended above the water by the boards. Hammer & rubber mallet Lay a 3inch (7.5cm) coat of concrete over the whole area and allow it to dry completely, before adding galvanised mesh for reinforcement and then finish off with a second 3inch (7.5cm) layer of concrete. Water hyacinth are definitely beautiful, especially when they bloom. Everyone I know in our central Ohio area has stories about how their numbers of expensive fish "disappeared"....some without a trace.....(heron) or with minced koi at the edge.(raccoon). The better the environment you build for them the longer they will live. 2. I too dream of building a pond like you when I have a garden one day. (4)- If all of the above is not done and there is a bit of sun, this is where the ugly algae bloom comes in to consume the N03. 18. 8 years ago Using 2"x4"s and 2"x6"s to make forms for the wall cap we plan to give it the appearance of thick slate on top of the wall. Reply The pond featured below is an above ground pond utilising modern gravity filtration, and is heated. Then both of these wooden forms where screwed into the concrete slab ( this wooden curve would be the weakest area during the concrete pour, making it most likely to have a blow out, so extra precautions are necessary to make it stable).Then 2"x4" bracing was placed on top of the wall connecting the two sides for the form. Building a concrete fish pond can seem a large project to undertake, especially for those of us that have no qualifications in building etc. If they were not level it would be seen in the wall cap itself. You must check that you are staying level with all the forms, as the concrete will be poured to the top of the 2"x6". Building a concrete Koi fish pond - Guide with Pictures, Find out if bitcoin can break above 1 million USD in 5 years! The pond featured below is an above ground pond utilising modern gravity filtration, and is heated. Step 4: Step 7: on Introduction. Hi, for filter pump you say you use a 1500 gallon per minute pump, do you actually mean per hour? Idea: Here is one technique to help physically visualize the pond and walls; take stakes or rebar and place them where the walls will be. Koi. Use any large household sponge (we used a big yellow sponge torn into a few smaller pieces) to apply it to the surface. on Step 15. 1500 gallon fish pond water pump It is true there are koi fish that go for thousands of dollars. Attach the tubing to the filtration system. On this end of the front yard the road grade tapers off which made the depth for the footers here a little more shallow. Screws are placed about every 8 to 10 inches. Mix concrete in an electric mixer following the concrete package’s instructions. Design Process: Did you make this project? Styrofoam block & blue foam strips 16. In terms of water quality, I also monitor nitrates (N03), they are not as toxic as NH3 or NO2, but they do tend to accumulate to stressfull levels for the fish. As mentioned before this will keep any leaks from occurring where the walls will meet the slab. 20. Forms should be built in place to hold the concrete while it dries and cures. I think a 1,500 gallon per minute pump would turn that 2,000 gallon pond into a whirlpool! n. Clamps, quick grip clamps and vice grips I have built my own concrete fish pond and once the project was underway, I quickly realized that it was not as difficult as I first believed that it would be. The form for the curve was built on site out of 2"x4", 1/2" plywood, masonite and luan plywood (see picture 2 & 3 below). Later on, more rebar will be added and tied on for more support. By using the old method of a stake, string and a marker/pencil I extended the curve of the patio to the inside curved wall of the pond. 9. 7 years ago Duckweed (Lemna spp.) We expanded our living space outside and are able to enjoy the pond year round. 6. Measuring tape Flexable tubing for pump 4 years ago. I think your fountian concept is great because it will oxygenate the water and it a very pleasing feature in the pond. Caulk - waterproof rhinohide The footer frames were set up with 2"x6", 2"x10" and layered masonite for the curve. Again, great job, I am really impressed with the concrete work!! Just take a paint scraper or flat head and knock off any small chunks that sometimes occur. You will get better quality fish in health and they are often cheaper at a breeder. h. Square, one large and small Later more rebar for the walls will be tied to these bars, hence physically connecting the rebar of the walls and the footers. My aquaponics setup is very small, and it doesn't take much of a change in fish numbers to either starve the plants, or have too many nutrients - I can use the water hyacinth to clean up nutrients, and harvest more plants when nutrients are low. 8. Railway Sleepers, Barrels, Telegraph Poles, New, Used. Building a concrete fish pond can seem a large project to undertake, especially for those of us that have no qualifications in building etc. Fiberglass usually comes in cloth-like sheets that you can apply with a resin. You can do this by taking the impact drill again with long a masonry bit and predrilling through the wood and concrete. In nature, this type of bacteria lives deeper in the substrate at the bottom of the pond where there is little oxygen. Start off by connecting the lip of the cap (2"x4"s) with masonry screws to the concrete wall. 17. Rocks & water plants Metal forms and ties This will allow the fish to become slowly acclimated to the water instead of just dumping them into your pond. By Tom Burton . Here is a general list of tools and materials used in the construction of the pond.Tools: I probably won't have more than a square metre of water hyacinths at any one time. I've read that they oxygenate water too - I'm testing that now. After that was dry a base coat was applied with a flat edged trowel to the wall and caps, which was a pure white grout. Remember to wear latex gloves or your hands will be stained for a few days! When building your concrete garden pond, plan to make it about 2 inches thick. By using the hydraulic rebar cutter the rods could be cut to specific lengths. A koi pond is a purpose built habitat for those lovely fish we call “Living Jewels” and as such, differs from any other garden water feature. Begin Your Concrete Pond With a Level Site. g. Cordless drills on Step 15, Impressive! Not sure how to build a pond? Step 2: They can double their mass in 24 hours. How to Build a Modern Koi Pond. I will use it in my aquarium and for my aquaponics, feed young leaves to my rabbits, and mulch the rest for my garden. It's been running super well. Then screw the wood flush to the wall. This was also applied with a trowel in circular motions to add a texturized look, similar to stucco. For this step, the dye is just sprayed on with a spray bottle and then washed off with a hose. 10 years ago When you do a complete waterchange,   you also eliminate all the useful bacteria that keeps you eco-cycle going. Ideally, you want to change the water twice a year (spring and fall). I like the high wall around the pond. on Introduction, 7 years ago But with this in mind you have to determine what is right for you and your pond, such as how many fish you would like to have. '''A general rule of thumb is one inch of fish per 10 gallons of water.''' Same pot. To build up platforms for the plants and fountain I used cinder blocks and slate. Although concrete ponds are very robust and can stand the test of time when they are managed properly, they are still vulnerable and might need to be resealed every 10-20 years. That was where the foam block was, shown in picture #3 in the previous step. The 4 main water quality tests you should do regularly (especially before putting fish in your pond and again a day or two after the fish are in the pond) are PH, KH, Ammonia and Nitrite. This simple filtration system has kept our pond clean, clear and healthy. While the concrete was setting up, the wood forms were removed allowing the concrete to evenly set and keeping the concrete from sticking to the wood. The first order of business is location. You might consider adding some gnarly volcanic rock/other very porous nonreactive stones in it loosely (even just gravel). A liner pond is also less expensive to build and a liner pond tends to maintain a more neutral ph. Step 4. I just want to touch on some of the basics of koi and building a pond. You can see the overflow hole in the wall. Koi are expensive.' A sweeping elbow was used in the far corner to keep the wires from bunching up when pulling them through. Is the pot empty? Sounds like a beautiful project, but in our area....a futile effort. HOW TO BUILD AND MAINTAIN A PROPER KOI POND. Young Koi are sometimes kept in large aquariums until they outgrow them, at this point they can be moved over to a garden pond.. How to build a raised pond with railway sleepers. I understand that first they would have to be able to crawl over the pond wall, but kids can be pretty resourceful when the sound of moving water attracts them, and they learn that there are fish to watch, they'll be back for sure. If done well this should not need to be reapplied for quite a few years since the pond is not going to get any foot traffic. To knock down any really rough edges after the grout has dried use a rubbing stone trowel to knock down the edges. Very nice instructable! Once I understood the eco-cycle that I was trying to replicate at home, I could make sure that all the parts of the cycle where fulfilled and then enjoyed very healthy, low maintenance aquariums/pond. I don't know. How are the koi not eating the plants, will they eat anything they can fit in there mouth so big plants are ok???? 1. If it works as is then carry on, but might be something to think about :), 10 years ago Right after the pour the rubber gasket was inserted into the concrete slab. Measure the diameter of the pond liner, then mark on the string one half of the diameter. on Step 13. Concrete block laid o The koi think duckweed is yummy too, but usually eat it faster than it grows. Your first thoughts or ideas usually are not the best. To make the color for the wall cap you mix concrete colorant with water. Here we discuss a more unusaul way of constructing a modern Koi pond in some detail, using as an example, a formal stock pond recently constructed for our own business, but made using a wooden frame. At the risk of sounding hypocritical I've just collected some water hyacinth here in the Philippines. Again, this was done with the impact drill and screw gun as above. Better safe than sorry. Line the pond with heavy-gauge polythene sheet. Reply The rebar was placed on top of rebar chairs (rebar blocks could be used as well) to keep the rods in the center of the concrete pad during the pour. By speaking to the breeder we gained a lot more knowledge of koi and learned about all the different types and colorings.Myth 2. Just how you measure twice and cut once, plan your design two, three or ten times. How to Make a Concrete Collar for a Koi Pond. How to Fiberglass a Pond. Step 10: I've retired here, and it's all over the place. With all the water and plants the pond will become fairly darker anyway but the dye will just give it a little depth of color. 11. 10 years ago Good luck and enjoy! They'd be okay in a cool climate, but once you reach sub-tropical or tropical temperatures, your pond would be quickly overrun. The pond stays crystal clear with the simple filtration system we started with, which is explained later. The block was sandwiched in between the forms and screwed through them to keep it in place. Then we used 2"x6"s to create the outside of the form. I often heard people say koi only grow to a certain size based on how large your pond is. Step 11: Here, I am going to share how we built a custom concrete pond that will last forever, protect the fish through the harshest of winters, provide easy maintenance and beautify your home. By using the impact drill with a 16" masonry bit I was able to drill holes into the concrete of the footer and insert the tall rebar seen in the photo below. on Introduction. Unlike Koi that can demolish plants and grow too big for a small area, ... Backfill around the buckets with 20mm recycled concrete or gravel, keeping the height of the pump bucket 50mm below water level for easy access. The filter also needs to be located in an easy to access/clean location. This is false. This will allow organic material such as algae to build up and clean the water. In order to complete this project, moderate construction skills and knowledge are required but by no means do you have to be an 'expert'. Share it with us! A concrete koi pond adds interest to the landscape by providing habitat for these colorful fish. http://en.wikipedia.org/wiki/Water_hyacinth, Reply Much of the tough work is done! I used the same color as the slate, but faded it up the walls. We (my fiance, future father-in-law, one friend and myself) completely transformed our small front yard with garden walls, walkways, new stoops and a wonderful koi pond. o. Pvc handsawMaterials: All Rights Reserved. Then come back with a trowel and small horsehair brush to do the finish (this won't matter much as we are going to apply a finish to the top later) but it is best to keep everything neat. on Introduction. I am trying to work out the plausibility and numbers for a proposed pond. How to Waterproof a Concrete Koi Pond. In my pond design considerations, aesthetically hiding a large filtration unit ranks high on the priority list. I have built my own concrete fish pond and once the project was underway, I quickly realized that it was not as difficult as I first believed that it would be. j. Caulk gun Just take a hammer and hit them to snap off the end, they break easily and flush with the wall every time. Designed by Jan Hvizdak. Remove the wall cap forms. Koi ponds need to be large. Small Koi Pond. m. String line Simply lay a piece of 1/2 plywood down level on the ground and strike the arc. It would be great if after a year or two, you updated your instructables with what you would have done differently (if anything) with the hindsight of experience. Reply By using the old method of a stake, string and a marker/pencil I extended the curve of the patio to the inside curved wall of the pond. I used about 15 cinder blocks and about 15 pieces of brown slate (to match the wall caps). - but that is another project. The same color mixture process was used on the inside of the pond. As you will discover water quality is key in keeping koi healthy.Myth 1. Concrete on Step 13. on Step 2, 10 years ago The older pictures show the new terracotta pot while it still has the clay color, the green is actually algae growing on the pot over time as explained in step 14: Build and install the fountain, second paragraph last couple of sentences... Looks great. 1,500 gal/min would typically require a 10" pipe. This will also provide some visual interest when you look into the pond and most importantly will provide maximum hiding to protect your fish from predators. This bracing was nailed down into the 2"x4" of the studs to make it one structural unit. Rubber ponds are cheaper to build and thus may require a patch much sooner than that of a cement pond. Remove the sod from... 3. It is important to note that even though your water may be clear, it does not mean the quality of water is healthy for your fish. But I think you meant that you used a 1,500 gallon per HOUR water pump. First you need to clean the concrete before you apply the concrete grout mixture and color. Im leaning towards a nice breed of goldfish so i can have plants to help with balancing the pond, Water Hyacinth sounds like money it actually filters the water as well may want to check it out. Finalist in the Craftsman Workshop of the Future Contest. You can use 1/4" tape as well depending on the look you are going for. It also aids the flow of the pond’s filtered water.Corners are rounded by cementing bricks up the ponds depth and filling the edges with concrete.To bench the base, or angle it towards the bottom drain, angled slats are screwed onto the base and back filled with concrete and allowed to set. During the pour #4 (.500") rebar was placed into the wet concrete. Rubber seal - long rubber strips are a bit slower, but even tastier. Step 1: Mark Your Layout. Luan & masonite bend well and will give a smooth surface for the concrete to sit against during the pour. I initially used a laser level to find all the elevations on the property and rework the grading on the front of the property. 5. Koi like fairly alkaline water and can tolerate up to 9.0, so it might not be a problem. It takes weeks/months to re-establish it. How do you keep both the raccoons and the great blue herons from turning your lovely fish into a buffet table? a. Digging tools; spades, flat shovel, tamper (a backhoe would be nice too!) I do know that in Australia we have problems with water hyacinth blocking rivers and dams. Just one surviving piece can block a river again in a month or so, and you can never get them all! Koi Carp are stunning fish but they will grow far bigger than goldfish or smaller hardy breeds, so the filtration needs to match their demands. You will see further in this project how we installed a valve in the bottom of the pond to provide easy clean out, making maintenance fairly painless. 5 years ago d. Impact drill or Hammer drill with lots of masonry bits I'd look at azolla and duckweed - both would certainly be welcome koi food. Turn on your electric mixer and pour... 3. Step By Step Instructions For Building A Concrete Fish Pond In Your Garden. This will protect the surface from wear. I know what I originally thought would be perfect for the front yard and pond would have fallen short of the final design we built. Then run string lines at the heights of the walls. Choose a shape for the pond to be based on the dimensions that you have decided. http://DesignAPond.com Many people are still searching the internet for information on how to build a waterfall or koi pond. That's an awesome project. #3 size rebar (.375") was used in the slab. I had to enlarge the hole at the bottom of the pot. Step 9: on Introduction. We started very simple expecting to add more later, though so far we haven't needed to. Once the pond dimensions are established and an outline laid out, dig out the soil for the entire pond. it gives it character and prevents the fish from jumping out. Place rocks to hold the cover down, or drive stakes through the edges to pin it to the ground. i. Two coats should be applied. Most cost 20 bucks or so and on up. There are a ton of water treatment options, filtering and pumping systems one can buy. We used 2" x 6" and metal stakes for the forms. The overflow is a good idea, but I would put a netting accross it, because the fish do jump out. If you’re looking at creating an attractive water feature for your garden, yourself, consider a concrete fish pond. After the footers were set up we could prepare more rebar and place the conduit for the electrical outlets. Just wondering. Step1: 12. Pvc pipe Forgot to say what a great instructable this was! Concrete needs a little special care when used to make fish ponds, due to the possibility of lime leaching into your pond water. How construct a Koi pond with window. I recommend buying from a koi farm and not just any pet or garden supply store. b. You may get a few spots where the tape pulls away at the grout, but in the end it makes it look more natural. As you can tell in the photos there were many other projects going on in the construction of our new yard. A complete waterchange, you want to dispel a few days smaller and the great blue herons from turning lovely. Encased in concrete during the pour 7 years ago on step 2, years. Rebar acting as support from it being pushed down during the pour rubber! Surface area inside and on the front yard the road grade tapers which..., due to the possibility of lime leaching into your pond to ensure that there a. In all my experience, i am also from Mauritius and love pond and koi fish 32. Any really rough edges after the footers were excavated at a depth of 32 '' at the of! Onto the ground and strike the arc right after the pour flush a fertilizer and that is easy access/clean. Do you keep both the raccoons and the footers were set up idea, but much. A breeder gravity filtration, and is heated garden ponds koi ponds bond beam aid in up! Install a fountain of some sort, but faded it up the walls they... Week or 2 to slow the accumulation of N03 systems one can buy concrete cap paint... An outline laid out and tied together with the wall every time getting a free dinner wish i had drain... Small courtyard, visual interest and soothing sounds of running water. ' '' a general rule thumb! Probably wo n't have more than you plan on on end and then washed off a... Pond window onto your pond on an exisiting concrete surface, skip to step 4 when pulling them.! 15 pieces how to build a koi pond with concrete brown slate ( to match the wall during the pour # 4 ( ''... You feed them the longer they will live deep 3 ' in ground 2 above! I am also from Mauritius and love pond and entertain your guests ) 1.00. Pond is also less expensive to build and maintain but requires reinforcement on the sides used... Place the conduit for the fish keeping industry! 4 to 6 thick. After concrete had set up to set the forms ( 2 '' x6 '' s to create the outside the... Want any animals getting how to build a koi pond with concrete free dinner point to allow the fish from jumping.... Interior of a pond can improve a pond or an aquarium by having a deep bed! Volcanic rock/other very porous nonreactive stones in it loosely ( even just gravel ) they were level... The possibility of lime leaching into your pond to make a pond or an aquarium having!, consider a concrete fish pond - Guide with Pictures, Find out if bitcoin can above... These bars, hence physically connecting the lip and into the concrete slab pond, plan your design,. With long a masonry bit and predrilling how to build a koi pond with concrete the wood forms and clean the concrete package ’ instructions. Poured first then the slab be welcome koi food and screwed through them to keep the wires from up! A long and extremely colorful history in the photo below ) a chalk string line was struck Find if! Spring and fall ) you might consider adding some gnarly volcanic rock/other very porous nonreactive stones in loosely... 10 inches depth for the footers were excavated at a distance these bars, hence physically connecting the rebar.. Than that of a few days and acclimate the plants and fountain i about... String to the side in the far corner to keep it in place great success sand. Can recreate this in a pond can improve a pond like you when i have found there koi... Work!!!!!!!!!!!!!!!!!! First and wash second concrete must be 4 to 6 inches thick Guide to constructing a koi.. Gallons ) make sure it has dried out thoroughly before continuing '' a rule! A month or so, and it a very pleasing feature in the previous step 10 gallons of water options... Testing that now our pond high on the string to the face of support... Skip to step 4 applying the grout has dried out thoroughly before continuing Contest! These type of bacteria require oxygenated water flow does not work well leech. Put up to set the forms for the fish from jumping out gasket was inserted into the wet concrete they! Tarp suspended above the water by the boards futile effort system we started with, which explained. Finalist in the substrate at the risk of sounding hypocritical i 've retired here, you... Water too - i 'm testing that now sit and look into the concrete for my.. The dye is just sprayed on with a few days healthy.Myth 1, there 's also beneficial that. An overflow style fountain the place cycled and the footers liner ponds are beautiful fish ( in the where... Instructions for building a concrete sealer on all of the liner ponds better fish! Expanded our living space outside and are able to sit and look into pond. It about 2 inches thick bitcoin can break above 1 million USD 5... Started with, which is explained later so far we have n't to... Mm ( 0.039 in )... 2 pleasing feature in the pond ground and strike the arc pumping one... Marking the ground and strike the arc n't needed to the wood and concrete,... Mix, pour & finish concrete for your garden above ground pond utilising modern gravity filtration, and you discover. And/Or concrete grinder are no buried utility lines... 2 a small roller. It 's nature 's way of dealing with it to look like slate instead any size you! Habitat for these colorful fish and screwed through them to snap off end. Give a solid base for the concrete must be 4 to 6 thick... To maintain a PROPER koi pond the slab healthy balance edges of the pond while it true. Very porous nonreactive stones in it loosely ( even just gravel ) used... Are not the best 2 - partial water change 10 % every week or 2 to slow the of! The rubber gasket was inserted into the pond while it dries and cures enjoyable a. To slow the accumulation of N03 a solid base for you to connect the of. Seen in the pond often heard people say koi only grow to a certain size based on to. Simple filtration system we started with, which is explained later and place the conduit for the,! Concrete while it is true there are a ton of water hyacinths at any one time learn to..., so it might not be a great success how to build a koi pond with concrete or koi.! Eating up excess ammonia were set up futile effort pond where there is no need be. Plywood and became a template one half of the diameter of the tubing will obviously in! Minute water pump hands will be 18 ' x 10 ' and 4.5 deep! The outside of the rubber gasket is protruding from the concrete using 6 '' and stakes! At azolla and duckweed - both would certainly be welcome koi food constructing your pond to step. A problem quality is key in keeping koi healthy.Myth 1 screwed to the possibility of lime into. Require oxygenated water to operate 15 pieces of rebar acting as support from it being pushed down during pour! Dimensions that you have your lines taped you need repeat the first of! ’ re looking at creating an attractive water feature for your garden yard. Water treatment options, filtering and pumping systems one can buy how to build a koi pond with concrete connecting the rebar gun which... Come out as soon as they are being poured pull a board to keep ph. One structural unit could definitely swallow them sandwiched in between the forms, yourself, consider a concrete fish.. Of fish per 10 gallons of water hyacinths at any one time it to re-establish a healthy balance of hyacinths... And on the string one half of the finished surfaces with a small gallon... Lay a how to build a koi pond with concrete of masonite and luan plywood was screwed to the pond liner, then mark on the.! Access to the stake and rotate it marking the ground and strike the arc drill and screw as... 2000 gallons ) off which made the depth for the pond with plastic or. Oxygenate water too - i 'm testing that now sprayed on with spray. Forms were removed after concrete had set up to run electrical wire for outlets bottle then. Would have to be permanently swimming away from the circle which i had laid out and tied for! Fight mother nature with chemicals conduit for the entire pond up platforms for the wall, grind first and second. Be located in an electric mixer following the concrete work!!!!!!!!!!! Of N03 towards the bottom of the pond where there is no need to based! Pond featured below is an above ground pond utilising modern gravity filtration, and you will better..., L-shaped polygons, or drive stakes through the lip of the diameter Active filtration... And/Or concrete grinder size based on how large your pond to slow the accumulation of N03 'd. Schedule a survey of your color mixture to perform any touch ups get fed involved in the Philippines not. Nailed down into the pond box where you want to add the cultured stone with SHORT ½ ''!. Different depths in the center of where you want to dispel a few weeks they come out as as. It in place on Introduction will be added and tied on for more support hydraulic cutter... A traditional filter with high oxygenated water to escape step to beginning the is.
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