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post #5 of (permalink) Old 11-13-2012, 04:37 PM
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Join Date: Dec 2011
Location: New York
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against algae? yes

since i do a WC right after dosing, i use the full strength H2HO which is already 3% in the brown bottle. some people dilute that even further when they dont do a WC... so YMMV

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