So, this would be good for the fresh water tub for the hermit crabs AND the water for my bettas?wodesorel wrote:No, nitrites cause severe gill damage like ammonia does and is part of the bacterial cycle of a fishtank. (Ammonia gets eaten and nitrite is a waste product, nitrite gets eaten by a different kind of bacteria and comes out as nitrate which is much less toxic and can be used by plants or removed with regular water changes.)
You want something that specifically says heavy metals. Prime has it in the description: http://www.seachem.com/prime.php
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