The Planted Tank Forum - View Single Post - The "One-Two Punch" Whole Tank Algae Treatment
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post #8 of (permalink) Old 01-03-2013, 04:58 AM Thread Starter
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Join Date: Jun 2004
Location: Baton Rouge, LA
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Originally Posted by creekbottom View Post
I nuked my tank tonight, several hours on and things look like they are still 'fizzing.' Is this normal?
It's normal. When H2O2 reacts with organic material, it produces oxygen - lots of it. The H2O2 is essentially gone at this point, but it takes a while for all the excess dissolved oxygen generated earlier to slowly bubble out of solution.

The 50% water change, if performed with tap water, is also loaded with dissolved gasses. Chances are, you've heard of or witnessed "false pearling" after a water change.

In this case, because both the old and new water are saturated with gasses, it can be quite a show.
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