03-24-2014, 02:07 AM
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Vendor
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Join Date: Jan 2009
Location: Mississauga, ON
Posts: 912
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We run full zeo on our 600g SPS system and cannot keep PO4 in check without GFO.
We only have 12 fish but we do also have 400 troches snails and 200 peppermint shrimps in there.
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