I suggest when you call discount hydro you ask them. 3% sold by drug stores is an absolte no no. Everybody has friend of friends that do things. Look at my link to my grow room below. Notice the h2o2 (add 1 tsp per gallon of solution) I am using and look at my plants. Or you can take friend of a friend advice, your choice.well cloud that is kind of funny since I have three friends growing with h202 bought from walmart and their plants always turn out great and look healthy throughout the grow.
-pot
no I will take my best friend's advice as well as two other ones because they are not telling me bullshit just to sell me something. Fyi, my best friend grows some of the best weed I have ever seen/smoked- crystals out the ying yang and great yields. You obviously just prefer to take advice of a complete stranger trying to make a buck from you.
3% will NOT kill your plants. It is quite possible it is not effective as the 35% h2o2, but the fact remains that it will still work if he was unable to get the 35%
-pot
i use hydrogen peroxide from wal-mart to spray on my leaves to kill powdery mildew.
For sapry it may be ok but not for roots. Man made (3%)h2o2 has stableizers added to it. Read the article in my above post
fdd, ever watched Penn & Teller: Bullshit ?
Cloudflyer, if 3% was used very diluted, would the benefits outweigh the risks in RDWC? What harm do these stabilizers do to the plants?