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Levent · November 19, 2012

I have never confronted with a deep layer of algae on diatomite!Algae grow only on upper surface of particles.Green algae are harmless to seedlings.

November 19, 2012	#198
Levent Tomatovillian™ Join Date: Jun 2012 Location: Turkey Posts: 393	I have never confronted with a deep layer of algae on diatomite!Algae grow only on upper surface of particles.Green algae are harmless to seedlings.