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  1. Koiphen.com

    Aug 16, 2025 · As the largest Koi and pond community on the internet, the forum provides help and advice on pond building as well as Japanese Koi and Goldfish care including disease …

  2. Main Forum - Koiphen.com

    Apr 19, 2021 · Forum: Main Forum Post your Koi, Goldfish, as well as other Pond related questions for discussion Forum Tools Search Forum

  3. PH, KH And GH in Depth - Koiphen.com

    Jun 14, 2013 · The Japanese koi breeders have relatively low KH and a pH near 7.0; therefore, some koi kichi believe that since the Japanese breeders produce the best koi, it follows that …

  4. Length To Weight Chart Inside - koiphen.com

    May 26, 2013 · Found this, it was labeled as " Length To Weight Chart For Average Koi ". For me personally, it gives a better understanding of what a few inches in the upper sizes has on …

  5. Measuring koi without catching them - Koiphen.com

    Jan 3, 2015 · And I don't want to stress all my koi (and myself) by catching them all to measure them. So I wanted to share this method of measuring koi fairly accurately without having to …

  6. Adding WHITE VINEGAR to lower PH - OK? Yes or No?

    Jun 25, 2022 · I have a 5,000 gallon koi pond. The PH reading was about 8.8 using an API high range test kit. I added about 1 1/4 cups white vinegar to the pond. Is this ok or are all of the …

  7. Bottom Drain to Skimmer and one Pump OK??? - koiphen.com

    Sep 24, 2016 · Having koi would be nice too. Can I have the BD feed directly to the skimmer? Can it be on one pump? I'd like to keep it simple and less costs/time by not adding a …

  8. high quality genetically small koi - Koiphen.com

    Dec 9, 2013 · high quality genetically small koi I have a smaller pond 1000-1200 gallons. I would still like to collect more than 3-4 koi, and can't expand my pond. I have heard of respected …

  9. Tree trimming killed my koi? - koiphen.com

    Oct 12, 2015 · That would work for some basic koi that are 3" long... I am fairly certain the tree sawdust containing hydrocyanic acid combined with the koi trying to eat floating sawdust as …

  10. Rubber made 300 gal stock tank - koiphen.com

    Apr 6, 2020 · Rubber made 300 gal stock tank I bought a 300 gal rubbermaid stock tank from Tractor Supply. Originally bought as grow out pond for koi babies (i've since gotten better at …