HL, I don't think Hydorgen Peroxide from the pharmacy will do it.

Active Ingredients

Hydrogen Peroxide (3%)First Aid Antiseptic, Oral Debriding Agent

Inactive Ingredients

Purified Water

Phycomycin on the other hand..... Look at the ingredients

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).