The Planted Tank Forum - View Single Post - This clay have iron?
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post #2 of (permalink) Old 12-18-2012, 12:59 AM
Obsessed? Maybe
somewhatshocked's Avatar
Join Date: Aug 2011
Location: Middle America
Posts: 12,794
Yep, it contains iron.

Not sure on the amount or if it's consistently got the same amount in each batch, though.
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