The Planted Tank Forum - View Single Post - dissolving Co2 tabs, are they worth it?
Thread: dissolving Co2 tabs, are they worth it?
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Old 10-01-2010, 07:54 PM   #6
ridethespiral
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No problem, the dose for a 30g is low enough that a 250mL bottle @~10 bucks will last almost 90 days
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