3% vs 35% H2O2

suTraGrow

Well-Known Member
Yes 3% is bad to use due to the bonding chemicals. 35% food grade is good to good. Been using it for a couple years now 7ml per gallon.
 

watsupbud

Active Member
Not necessary, any side effects if any would show with prolonged use.
Im sure you can keep using 3% with out any ill effects, but when possible get the 35%.
alright thanks bro...by the way i added in a 1 cup of 3% into my 3 gallon of water is that a bit much? the site said for 1/2cup of 3% per gallon.
 

suTraGrow

Well-Known Member
I always used 35%, try to stick to 7ml per gallon but sometimes go 10-13ml per gallon. Never had any trouble cause by it.
 
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