The Planted Tank Forum - View Single Post - The "One-Two Punch" Whole Tank Algae Treatment
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post #12 of (permalink) Old 01-03-2013, 08:45 PM Thread Starter
Planted Tank Guru
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Join Date: Jun 2004
Location: Baton Rouge, LA
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Originally Posted by jonathan View Post
Which algae is this good for ? Is there any that you would consider this a waste of effort on ?
It appears to be good for anything except hard spot algae. With those, any chemical treatment only kills the outer layer; which, since it takes a few days for the killed portion to flake away, effectively shields the remainder from exposure. So an effective treatment only shrinks a spot.

I've completely removed heavy spot algae from both an anubia leaf and a resin ornament, mostly just to see if it could be done. It took somewhere in the range of seven H2O2 spot treatments, over three weeks, for complete removal. Definitely a waste of effort!
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