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H2O2 update


I thought I'd report on the progress of my H2O2 treatment initiated last week 
on my 75 gal tank with a serious staghorn algae problem. As you have no doubt 
forgotten (if you even bothered to read it in the first place), I foolishly 
added 14oz of 3% H2O2 to the 75 gal tank in question which resulted in the 
staghorn turning white within 24 hours followed by Rotalla m. going almost 
totally green within the same time frame. Within 48 hours, the Hetra z. began 
melting from the edges inward and the tips of the pearlgrass started looking 
a bit scorched soon thereafter. Unfortunately, the tiny sprig of Lagarosiphon 
madagascariensis a famous list member sent me began to show signs of distress 
as well. I was really an idiot to have left that in there - but it seemed 
like such a tough, wiry little plant. The Alternanthera reineckii eventually 
developed a few holes but amazingly, the Eusteralis s. remained unfazed as 
did the Cabomba. The glosso had a few leaves go yellow here and there but 
then - there's a lot more where that came from. Totally unaffected to date 
are Bacopa m., Hygro p. "sunset" Rotalla i., Ludwigia grand. and repens, 
Hygro "willow leaf", and C. wendtii. The staghorn algae has all melted for 
now. I looks like everything will recover and regenerate - except I'm real 
worried about the Lagarosiphon. There's only a few green areas of stem left 
and a tiny sprout on one side that looks to still be alive. The H2O2 
definitely did a number on the algae though - it's gone.

Bob Olesen
West Palm Beach