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re: Outdoor koi pond plants all died

> Over the last three weeks, all my plants have died.
> I talked to my fish supplier, and he thinks that the fish may have just
> eaten everything in site.  I did add 14 or so small koi to the mix in
> early summer.

Your koi would eat algae first and nibble on the roots of the floating
plants but are not likely to eat the above-water parts. Are you feeding the

Could the plant die-off be due to the weather? Water run-off containing

> My PH has been around 7.6 or so, and I am constantly lowering it, and
> the only other things I test for are ammonia, nitrates, and chlorine.
> These are all fine.

Why are you lowering the pH? If you're doing it for the fish, koi can
thrive in higher pH--even 8.5.

Greg. Tong
gtong at sirius_com

"Often, the things that change are less interesting than those that stay
the same."--Aaron Fleisher