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Old 03-04-2007, 02:27 AM posted to rec.aquaria.freshwater.plants
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Default What is the maximum NO3 for fished ?

On Apr 1, 11:40 am, "Philippe Lemaire \(remove oldies\)"

Depends on what source of NO3 is used, fish waste and KNO3 are two
very different things. See my and Richard's post, I went to 160ppm ,
Richard to 200ppm with no ill effects on fish.

Tom Barr