Bubble Cloner Help

I built myself a bubble cloner after a failed attempt using jiffy peat pellets and clonex rooting hormones. It is made from a 4gal rubermaid tote with a 10 inch airstone and a dual outlet air pump driving both ends of the air stone. Needless to say I still failed. I'm using dynagro KLN and one teaspoon per gallon, ph is 7, stems are submerged in water not sure if they are supposed to be? I added on tablespoon of hydrogen peroxide per gallon after getting a clear slime build up. They seem healthy and none died but I had to scrap them because it had been three weeks with little to no root development and the slime kept building up. I thought I was in the clear after seeing a 1/8in root but the never got any larger after another week. What am I doing wrong please help.

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a whole tablespoon per gallon? my goodness..

i would think u would only use a couple drops for like 5-10 gallons.
your ph is way to high, should be 5.2-6.0 for hydroponics.. and between 6-7ph for soil..

havent actually cloned yet myself but from my understanding i would expect your stem should be emerged in the media (your insert) which will hold water vs putting stem in water and expecting it to be able to grab on to something..

hope this helps
-cody

^^^
With a three percent solution one tablespoon per gallon is fine. From what I've heard. Could be wrong though. As for PH I was under the impression that it shouldn't matter too much because I have little to no nutrients to lock out from excessively high PH so a neutral PH of seven should be OK? Again I can use all the input I can get. I'm thinking after reading countless articles about cloning, that the general consensus is to use a razor to cut the clone. I am using fine tip pruning scissors because that's what the guy at the hydro store sold me after I asked for a scalpel. Could it be that I'm crushing the stem walls?

3 weeks old cutting are probably too rotted to root. Get fresh HEALTHY ones. Get the pH around 5.7-6.0, not 7. You should use a sharp instrument and get a clean cut. I've used 2nd graders scissors, gardening snippers, utility knives, kitchen knives and my teeth. While the teeth option wasn't as good, the rest were pretty much the same. Do it quickly and don't let air get into your cut and you'll be fine.