DIY Pond Filter

| June 6, 2012 | 13 Comments

Learn how to make your own natural and efficient biological pond filter. More at
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  1. einzigal says:

    I have two of the 100g Skippy-style biological filters in operation for our 5,000 gallon Koi pond….and they do readily gunk up. What recommendations do you have for mechanical filtration to prevent this?

  2. kgbean says:

    Oh, and I use a ton of water lettuce in the hottest part of the summer. That always helps.

  3. kgbean says:

    Ha. Mine collects muck in the bottom. I have to clean it out every couple of months. But, I’ve had it running for 10 years and it works great. I keep adding fish slowly and I imagine I’ll need to add a second one sooner or later. I have a stock tank ready to go.

  4. klmgroupia says:

    pine needles can be a real pain as you know. A filter won’t help much on these if they end up sinking to the bottom pretty quickly. Same with a skimmer, but if they do float for very long (some might, some won’t) then a skimmer would be a definite addition and a filter could be good but optional. A skimmer with fairly tightly meshed catch basin would probably help a lot.

    If you get a lot of this debris on the bottom then a pond vac might be the best option.

  5. aviewtoathrill says:

    Hi, My 2400 gallon pond has been filterless for the past ten years. However, I’m tired of cleaning the pine needles out every year and I know that I need to do this. I have the stock tank and some of the floor scrubbies and most of the pvc as I was planning to do a skippy filter years ago. Since the pond sits under six tall pines, is this the right filter for me? I would think that the needles would need to be collected often during the fall. I have no fish only plants and pine needles!!

  6. klmgroupia says:

    sure you could use a uv light in combination with one of these. you could put it inline in front of the filter…then the filter will catch the dead and dying algae cells. also if green water is your main issue you could tinker with the type of media…finer media will filter out more. often once the bacteria get’s established it will help with green water but not always, and so a uv light could be useful.

  7. joker66599 says:

    I have 2 red eared sliders out side in about 150 gallons of water. I am looking for a good filter. Could I use this try of filter with a UV light? the pond gets like 6 hours of direct light I am getting tired of cleaning it so often.

  8. klmgroupia says:

    hey, you’re welcome. A good idea is a good idea.

  9. SidelineHero10 says:

    Thanks for the publicity.

  10. Starrwulf7 says:

    sounds like your media is too ‘tight’… you might want to switch to a coarser media.

  11. CatherineCrowe says:

    I’m interested in making a filter for a small (180 gallons) pound. Any suggestions?

  12. klmgroupia says:

    – Usually no…the skippy filter will work fine all on it’s own.

  13. BigBoyLies says:

    do you need a prefilter for this kind of filtratin system?

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