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Re: Nitrate levels

In a message dated 98-03-05 04:14:17 EST, Aquatic-Plants-Owner at actwin_com

 is this true?? ive heard some people say that zero nitrates in a planted tank
 isnt necessarily a good thing and a nitrate level of 10 ppm or less is good
 for the plants.
Nitrate is required by many plants.  So a Zero level would be undesirable.
In most cases though a level of over 10ppm is to high and can cause an excess
growth of algea as well as be harmful to fish.