The Planted Tank Forum - View Single Post - How do i get algae
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Old 08-19-2013, 05:36 PM   #6
Flear
Algae Grower
 
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silica sand can increase silicates, ... it's something i would honestly prefer to avoid for health reasons.

Edit:
at least i think silica sand would be high in silicates, ... talking about the fine dust that is causing problems
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