The Planted Tank Forum - View Single Post - Screw in the aquarium?
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Old 11-07-2012, 05:37 AM   #4
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I thought that I've heard of people adding old iron nails to their tanks to increase the amount of iron.....figuring that the iron would leech into the water. No idea on if thats safe though.
My 75 gallon High Tech Tank:
My 10 gallon High Tech Tank:
My 5.5 gallon nano College Dorm Tank:
Mom's Spec V:
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