The Planted Tank Forum - View Single Post - Can you dose H2O2 direct?
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Old 12-01-2012, 02:55 AM   #2
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When you dose the H2O2, turn off the filters and powerheads, then squirt a tiny bit on the affected areas (just enough to get the algae to start bubbling), let it sit like that for ~10 minutes, then turn the filters/powerheads back on.
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