H2O2 user's...advice please...Al B????

I have used H2O2 in the past as a res additive, but since I am now using some organics, I have not used it.
As I have said in a prior post, I now have a bacterial infection in my res, and I am fairly sure in my rockwool as well (roots look good). I want to flush the medium/plants with a strong H2O2 solution (I have a bottle of 35%) to destroy the bacteria so it will not reinfest my res, but I do not know how much to use. All I can find is "do a dip in a strong H2O2 solution)........what is strong, and is a dip a dunk and out or a soak.
My plan is to make a 5% solution and submerge the pot into it (rockwool/hydroton in 6" nursery pot) to the base of the stalk and let it soak until the "fizzing" stops. Will this work??? If not, how do I wash the medium to kill the bacteria that is living in it?? I did a Clearex flush, but it didn't work. Am also using Sensizym, but that ain't working either. Am just feeding to waste right now, which will get pricey, but is necessary until I can run a recirculating system again w/o fear of reinfection.
HELP!!!

1.7mL/L for 35% just add it to your rez at this concentration for a "shock" treatment you can add a bit more.

I am not wanting to add it to the rez if I can help it...I want to do a dip tx and then go back to using my organics in the res. Any suggestions there??

platypusmann said:

I am not wanting to add it to the rez if I can help it...I want to do a dip tx and then go back to using my organics in the res. Any suggestions there??

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You have to sterilize everything in order to kill the infection just dipping your rockwool is not going to work. I am not a fan at all of "organic" hydroponics the only time I would ever get near organic hydro is with coco coir.
You are going to have to change out your reservoir clean it out and add fresh nutes with 1.7mL/L of 35% H202 if you want to see results. Or you can continue to watch your plants die in the name of "organics".

If you really want organic go soil

platypusmann said:

My plan is to make a 5% solution and submerge the pot into it (rockwool/hydroton in 6" nursery pot) to the base of the stalk and let it soak until the "fizzing" stops. Will this work???

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Yes, that will work to sterilise the rootmass, but when you return to using your organic nutes without H2O2, the problem will recur.

Also, keep in mind that enzymatic cleaning agents are protein based. Solutions containing those will fizz when you add H2O2. H2O2 is incompatible with enzymatic cleaners- it simply destroys the proteins on contact.

There's a very good chance that your root rot is being caused by overwatering. H2O2 can't correct that! Is your RW cube nested in pellets above the flood line?

Waitaminit, were you not the person who has got RW mixed with pellets?

I have 1" rockwool on top of hydroton, 3/4" above the flood line. It don't think root rot.....my roots look awesome. There is a bacteria that formed in my res. I broke everything down, bleached it, H2O2'd it, and washed it.......then I hand fed the plants in a bucket, and sure enough, the scum appeared in the bucket...so it is in my plants somewhere.....I have to assume the medium. The plants look great.....no problems there, just the frothy, scummy, smelly res........I am using AN nutes exactly as outlined on their website, at 75% strength of their light eeding schedule. I added a super tea (bat shit, meals, sea kelp, etc) and it worked fine in veg, but in flower I have this recurring scum problem.
I wanted to see how to clear the bacteria from the plants before going to my res. I will try the H2O2 5% dip, and then see if my res gets reinfected. If so, I will figure out what products are not compatible with H2O2 and stop them and start using H2O2 in my res.
I think the bacteria came from a not light proof res and the super tea. I only water twice a day, and if anything, I under water. I have three other tables running the same set up, without issue, except they did not have the light leak issue this res had. I have corrected it. Here is how the res looked after 48 hours and 2 feedings (pic below). I aerate the res with 4 airstones, as well as two bubble curtain on the table, and the temp has been stable at 66 in the res.
HOWEVER.....I did move this table during the last week of veg into a closet that once held dogs. I cleaned it out, bleached what I could, but you can only sterilize carpet so much.....could it be residue from dog filth getting in???

hmm, ok... I think you're dead right, your infection is coming from the organic tea and there's light-loving algae or fungi having a good ol' time in there.

If you want a clear res that doesn't pong like a bat's arsehole, organics won't give it to you. You're making up a living soup with competing organisms, hoping that the good guys win. It may foam, froth and form slime in the process.

What's good for cannabis plants is also good for algae, for the most part- except H2O2, which terrestrial plants tolerate very well but aquatic plants do not. This is why H2O2 can kill algae while aiding the root development of your cannabis plants. Unfortunately, organic compounds in organic nutes break down H2O2 before it can kill any baddies in the sauce.

Organic molecules are all made of inorganic molecules. The inorganic ones are hardly evil or sinners, they're just simpler substances, in the form that the plant needs them for assimilation. Inorganic based nutes are more bioavailable than organics, which must first break down into those elemental inorganic compounds before they can be taken up by the plant.

I appreciate anyone who wants to do the Mr Natural trip, but from the standpoint of operating a productive hydroponic cannabis grow op, it's frankly a bunch of tree-huggin' hippie crap. The end result is no different and it is much easier to run inorganic nutes and be able to use H2O2, maintaining only ONE living organism in the op- cannabis plants.

Well, speaking as a tree hugging hippie, I did try organic for that reason, but I no likey. I am going back to the way I did in the beginning and do what I know works, which is addind H2O2 to the res. Thanks again, Al...as always, you hooked me up.
How would I best go about figuring out which additives I can use safely with H2O2?? Also, what the hell should I do with all these additives??? LOL....they are working in my other res's, so fuck it. Maybe the frothy stinky muck is just what an organic res should be...LOL. As for the H2O2, is 1.7mL/L a good figure for 35%, or should I break it down to 3% first, and then add at that ratio??

platypusmann said:

Well, speaking as a tree hugging hippie, I did try organic for that reason, but I no likey.

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Oh, don't get me wrong, I'll hug the odd tree myself, but not if the motherfucker is a pain in the arse.

I am going back to the way I did in the beginning and do what I know works, which is addind H2O2 to the res. Thanks again, Al...as always, you hooked me up.

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It may not be granola, but you can bet that it'll work.

How would I best go about figuring out which additives I can use safely with H2O2??

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Start by putting anything labelled 'organic' aside. Enzyme based additives are also off the diet.

Also, what the hell should I do with all these additives??? LOL....they are working in my other res's, so fuck it.

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Use them in your other sys if you like, might be good out in the veg patch out the back.

Maybe the frothy stinky muck is just what an organic res should be...LOL.

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Well, yeah, I'd expect biological activity to some degree with organics. The problem is the baddies like pythium & fusarium sometimes can win the competing microorganisms battle and you can't really tell who's ahead without a microscope.

As for the H2O2, is 1.7mL/L a good figure for 35%, or should I break it down to 3% first, and then add at that ratio??

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Either 50% @ 1ml/L of nute soln or 35% @ 1.7ml/L will yield a an H2O2 concentration of 500ppm, which combined with standard inorganic nutrients will give you a clean, clear and scentless tank. If anything's amiss, you can tell straightaway.

Since I started following Al's h2o2 plan I noticed when my tray floods, my nutes look "cleaner", my plants are growing great also.

I had a LONG (like over 30 mins) talk with Roy at advanced nutrients tech today, and he confirmed that this is normal activity in an organic tank. He looked at the pics via email, and saw nothing amiss. He said I should eliminate the Mother Eart Tea, as it is known to cause these kind of problems. He also said to discontinue carbo load and sweet leaf, as they may be feeding the microbes....SHEESH. I am going back to the sterlie way...this organic shit is just that.....shit, and it stinks. LOL

platypusmann said:

I had a LONG (like over 30 mins) talk with Roy at advanced nutrients tech today, and he confirmed that this is normal activity in an organic tank. He looked at the pics via email, and saw nothing amiss. He said I should eliminate the Mother Eart Tea, as it is known to cause these kind of problems. He also said to discontinue carbo load and sweet leaf, as they may be feeding the microbes....SHEESH. I am going back to the sterlie way...this organic shit is just that.....shit, and it stinks. LOL

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Yeah lesson well learned though save the organics for your vegetable garden.