Ok my fellow rollitup peeps.I am still new to the industrial hydrogen peroxide use.I bought a gallon from groteck and have 2 things to bring up.First remember in science class chemistry they said always wear goggle and gloves? Well please wear gloves using this stuff as I happen to spill a cap full on my hand and I wish I had gloves on lol. It burns pretty good and now my hand iscrispy white. Im not seeing much first aide for this but I ended up submerging my hand in a tub of water for an hour then using joy dishsoap heavily to base out the burn then rinsed it. The pain stopped but the white dry skin burn is there and I now have more appreciation for this stuffs power lol we live and we learn.Now my question is to anyone who used it. The container says add 2-5 drop per gallon of water anyone know how much a drop is in real measurements???? Also how often to add doesnt say should I add daily or weekly or only on a fresh res change or at top offs and ideas? Im using it at res changes now and saying abot 3 drops is around 1/8 tsp?? Let me know what you think while I smoke with my left hand and ice my right

You're lucky it didn't burn all the way through your hand!

Yeah, that stuff is caustic. That's why they give us 3% to use, instead of the 35% stuff that will eat through stuff faster than a fat family in a buffet line.

A mililiter is about 20 drops.

H2O2 breaks down quickly so people add it to the res every 2-3 days.

HTH

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Fletch, I've used 35% food grade for two years now. I use 5 ml per gallon, get a syringe or something like that, and be thankful all u got it on is your hand, u also have to store it where it does'nt get to hot.Billy

I use H2O2 from Sally's beauty stores Its pure and cheap.

Mixing charts for gardening with hydrogen peroxide