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DIY Algae Turf Scrubber
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01/20/2012, 04:47 PM
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Jedidad
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Join Date: Dec 2010
Location: Oklahoma
Posts: 258
Have you discontinued using GFO yet and if so have you seen any increase in PO4? This is really interesting and I may want to try if I can make room for it in the cabinet.
Jedidad
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