What do you mean by "low quality food"? What types of food helps keep
the nitrates low?

wrote in message ...
yup, big water changes and quit feeding them low quality food and as much food.
welcome to the world of aquariums. Ingrid

Andy Hill wrote:

(MC) wrote:
I brought my Koi indoors for the winter and am experiencing high
nitrate levels although I believe I have sufficient filtration. I have
read this isn't a big problem in some places, but on the test strips
and elsewhere read it was unsafe. I have about 100-150PPM. Is this
something to worry about? Nitrites are almost non-existent and PH is
fine.

Yeah, that's a problem. Start doing water changes to drive it down to something
more reasonable (BTW, filtration does very little for nitrates -- they're the
end product of the nitrogen cycle. You either have to have lots of green
growing stuff to suck up the nitrates, or do water changes to dilute them).



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