The Planted Tank Forum - View Single Post - H202 acted like Agent Orange!
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post #8 of (permalink) Old 01-09-2013, 03:44 AM
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Join Date: Feb 2010
Location: Michigan
Posts: 1,447
Yeah, hornwort doesn't like h2o2. Found that out the hard way spot treating a plant that was next to it. Very small amount melted the entire plant. Hornwort is so ridiculously hardy I would just cut away whatever part is infected with algae and let it grow back.

The definition of insanity is doing the same thing over and over again and expecting different results. - Rita Mae Brown

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