How to Build a Koi Fish Pond

Buy all your supplies., Measure the plastic pool as best you can using a measuring tape. , Dig an appropriate hole for the pond, going by the measurements you've made., Place the pool into the hole., Spray the inside of the pool with the protective...

20 Steps 2 min read Advanced

Step-by-Step Guide

  1. Step 1: Buy all your supplies.

    These are listed below under "Things You'll Need".

    You might want to hold off on the koi until the pond is ready though, especially if you're slow at digging and don't foresee completing this project in an afternoon!
  2. Step 2: Measure the plastic pool as best you can using a measuring tape.

    , Choose a flat, available area of soil. , Make any adjustments needed and fill in any extra space or make more room if the pool doesn’t fit.

    Make sure all the outside of the pool is closed in and no longer visible. , Wait for about 5 hours to dry and set. , If you do not have spring water, put tap, well, or city water into the pool about 80% and put several drops of dechlorinator and mix with pool net. ,, Wait one hour for it to settle and spread. ,, Wait about half an hour for the water to adjust with its new content. , Sit back and enjoy! , In the case of larger ponds an ozone generator system may also be required , A cartridge or bio filter are a better idea for koi fish ponds , While waterfalls do add oxygen to the water a high output ozone system can keep the water completely clear and clean. , Having multiple suction ports for the pump in the water will prevent an entrapment hazard that could harm the koi fish. , This is more of a cheaper filter then a quality filter but it still works well enough to keep the pond clean for a short time.

    The above suggestions would work best. , Snails reproduce very quickly so keep an eye on the snail population to avoid being over run. , While both will work for pond you should use the thicker acrylic pond if you can find one as the floors are many times thicker and less likely to develop damage or leaks
  3. Step 3: Dig an appropriate hole for the pond

  4. Step 4: going by the measurements you've made.

  5. Step 5: Place the pool into the hole.

  6. Step 6: Spray the inside of the pool with the protective spray.

  7. Step 7: Fill the pool up with spring or fresh water till it is about 80% filled.

  8. Step 8: Fill the pool with the gravel and spread it out evenly across the bottom.

  9. Step 9: Put about 1 ounce of beneficial bacteria in the water.

  10. Step 10: Place the plants in the desired location.

  11. Step 11: Add the filter to the water.

  12. Step 12: Place the koi into their new pond.

  13. Step 13: Koi fish deposit a large amount of waste into the pond so if you want the water to be clean and clear then you will need to add a filtration system that consists of a pump and a filter.

  14. Step 14: Traditional swimming pool silica sand filters are not a good choice to use for Koi fish due to the volume of waste plugging the sand filter.

  15. Step 15: Ozone is an oxidizer and a chemical free sanitizer in ponds.

  16. Step 16: Be sure to separate the suction points for the plumbing system.

  17. Step 17: In the "Things You Need" section below

  18. Step 18: I suggest using a floating filter to clean the pond.

  19. Step 19: Golf ball snails and bottom feeding fish can help to process algae from hard to clean surfaces like the gravel bed floor.

  20. Step 20: Pre-made ponds come in a thin black plastic and thicker acrylic resin materials.

Detailed Guide

These are listed below under "Things You'll Need".

You might want to hold off on the koi until the pond is ready though, especially if you're slow at digging and don't foresee completing this project in an afternoon!

, Choose a flat, available area of soil. , Make any adjustments needed and fill in any extra space or make more room if the pool doesn’t fit.

Make sure all the outside of the pool is closed in and no longer visible. , Wait for about 5 hours to dry and set. , If you do not have spring water, put tap, well, or city water into the pool about 80% and put several drops of dechlorinator and mix with pool net. ,, Wait one hour for it to settle and spread. ,, Wait about half an hour for the water to adjust with its new content. , Sit back and enjoy! , In the case of larger ponds an ozone generator system may also be required , A cartridge or bio filter are a better idea for koi fish ponds , While waterfalls do add oxygen to the water a high output ozone system can keep the water completely clear and clean. , Having multiple suction ports for the pump in the water will prevent an entrapment hazard that could harm the koi fish. , This is more of a cheaper filter then a quality filter but it still works well enough to keep the pond clean for a short time.

The above suggestions would work best. , Snails reproduce very quickly so keep an eye on the snail population to avoid being over run. , While both will work for pond you should use the thicker acrylic pond if you can find one as the floors are many times thicker and less likely to develop damage or leaks

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Benjamin Wells

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