Thread: Diatoms
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  #19  
Old May 17th 07, 07:18 PM posted to rec.aquaria.marine.reefs
KurtG
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Default Diatoms
George Patterson wrote:
I don't know. The PhosBan gets the level down to about .2, and there it
stays.

What does your test say on RO/DI water? It could be the test.

--Kurt