dead fish in a planted tank

[Darbex]

A lot cheaper than Excel

[lilmissruffcountry]

A lot cheaper than Excel

Yes, but it does not fully kill the BBA, or at least I have not OD'd the tank to kill it all the way...I am still a little leery of dosing more then 1.5ml per gal

[kwc1974]

H2O2 will fully kill BBA with some persistance. I killed it with a 3ml/gallon dose every day for a week. the tank it was in was a 75 gallon and only one bottle that cost me $1.05.

As os now the only algae that it will not kill completely is green spot algae. I have killed green water, cynobactera, staghorn, and BBA. I have "overdosed" to 4ml/gallon with no ill effects except to some snails that where having problems to begin with. Mosses do not mind the H2O2, and you can not say that about excel (excel overdose will kill most mosses).