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Yep, as long as you have a decent air pump then spray should be coming off the water surface and wetting the clay pebbles, you can also take a jug of the res solution and pour it through the clay pebbles put pour it around the rockwool cube and not directly over it but I've never found it necessary

Depends on germination method I guess, I just keep it simple and soak the cube overnight, shake out any excess and throw in the seed, the cube is wet enough then for the whole germination process until the seed has popped and it's in my system, now if your germinating in a shot glass and paper...

Totally agree which is why you should only soak it overnight once before putting the seed in, people have this thing about constantly misting them and keeping them soaking wet so there is no oxygen.

Yes move the rockwool cube into your system, people have issues because they are forever wetting the cube which causes damping off where the stem rots, plant the cube pretty deep in the clay pebbles like half way down, if you fill res to just under the net pot you should get water wicking up...

That will probably be from the light bleaching as this is what happens if it carries on

Looks like you just over fed them to start with but now your getting on top of it, just check your runoff PH and PPM every now and again to make sure the readings are close to your input values

New growth doesnt look to bad maybe a little droopy, what is your PH and PPM? You should be running your Coco like hydro in terms of PH so between 5.8-6.1 is a good range, you should be feeding daily to runoff to avoid nutrient salt build up in the medium and dont let the pot sit in the runoff...

Need pics in natural light as cant really see the colour, what I can see though are the serated leaf edges curling up which is normally heat stress, what are your temps, RH, what light you running and how close, what your growing in etc, the more info you give the more chance of someone...

The bottom of the roots definitely looks better though

Damn sorry to hear there is no improvement, are those holes on the rim of the net pot? If so definitely tape those up, yeah PH is all over the place when you have root rot, double, triple, quadruple check to make sure the res is 100% dark with no leaks

Day 41 from seed Flipped to 12/12 as I've ran out of veg nutes, would normally carry on through transition with veg nutes so will be interested to see if theres enough N for the stretch. Strawberry banana Aventus OG

Your medium is probably 70/30 coco coir/perlite, do you know if the mix was pre buffered? I'm guessing it wasnt, it is an inert medium meaning it doesnt have any nutes in it all, you should have buffered the medium first, you also need to treat it like hydro so you need to PH your feeds between...

Your other option is to brew a heisenberg tea, here is a link on how to and the benefits, seems like alot of work to me though! https://www.rollitup.org/t/dwc-root-slime-cure-aka-how-to-breed-beneficial-microbes.361430/

Just make sure the dutch master can be used with peroxide as otherwise your just wasting money as the peroxide will kill all bennies but not sure exactly what the dutch master stuff is? Definitely dont use peroxide with the great white

Yeah check those out mate and come back, your PH might be off but you could also have a salt buildup in the coco causing a lockout, you watering to a good amount of runoff each time?

Have you checked the PH and PPM of your runoff to see if it's in line with your input PH and PPM?

No worries, hopefully things improve but let us know how your getting on in a couple days

Yes mate, i would take out the plant then go wash all the equipment with a peroxide solution then once all the equipment is washed you can fill your res with clean water and nutes and also peroxide but I dont know what the dilution rates should be as only ever used that silver bullet stuff. I...

Just make sure you dont have any light leaks into the res on your system, just a tiny bit of light will f things up in DWC

Got any pics?