0% success rate in cloning.

[CrumpleZone]

it's not your technique

If you have been 80% successful, move to a new location, and all of a sudden become 10% successful, something serious has changed. Something that isn't obvious.

Maybe your PH meter is horribly out of cal?

 

[FreezerBoy]

How can rockwool be "too wet" if I (among many others) can root a cutting in a glass of water?

It's not about drowning it's about suffocation. If the water is old, stale and deoxygenated, the plant dies of suffocation or, lack of air. If the water is oxygenated, it's the water that allows the root area to breathe.

 

[Bud Bug]

How can rockwool be "too wet" if I (among many others) can root a cutting in a glass of water?

Same reason why people kill full grown plants in RW by over watering. Watered properly RW has a very high water/air ration compared to other mediums but if you soak it for too long you displace the air pockets with water which takes along time to be absorbed but the roots and then the DO is used up and you get anaerobic pathogens starting to grow like say Pythium.

If the RW cubes are too wet you can also get damping off diseases which is a fungus that attacks the bottom of the stem and rots it away.

 

[MedCo]

Sorry to hear about your sad looking clones. After a week of no roots, the likelihood theyll develop roots is slim but I would take the dome off and let em breathe a bit. Sometimes thisll encourage them to push out some roots. Probably couldnt hurt at this point.

My cloning method is nearly identical to etinarcadiaegos except I use Rapid Rooters. Had 32/34 (94%) clones root last time with this method. And all wouldve rooted most likely but the 9oz cups I transplant into only came in a 32 pack.



'K.I.S.S' is a great motto especially when cloning.

Rapid rooters are the shit! I am getting nearly 100% success rate with them, and they root 3-4 days quicker than rockwool from what I have seen. The cool thing about rapid rooters is you buy them, and throw the clones in, no pre-soaking, and the aeration on them is amazing. They have the consistency of a moist sponge. Just keep a humidity dome over them to keep it from drying out while the plants are in there. I haven't lost a single clone yet from rapid rooters =) Over 200 clones taken and 200 survived ... with a little help of course. Some started to wilt once they were rooted and placed in soil. I just pulled a few shabby leaves and put these little bicthes back under the humidity dome for 2-3 days and they look good as new Over 20 "dying" clones recovered with success!

 

[Frozenguy]

I'm just saying its weird because rockwool cant hold more water in a given space then "empty space" can. So if water is oxygenated, how can you over water with rockwool? I dont know if you can...

 

[shroomyshroom]

https://www.icmag.com/ic/showthread.php?p=3171985#post3171985

 

[Japanfreakier]

I would guess that there is some air exchange in an open glass or jar.

 

[CherChezLaGhost]

100% success rate with an air pump connected to 2 airstones. The airstones sit in one of those clear plastic shoe bins with the lids. Drill some two inch holes in the lid. Then get two inch net pots with the neoprene inserts. After that take your clones and cut em at an angle under water so the clones take in water instead of air. Then just insert em in the net pots. Make sure your water is high enough so the water is covering a little bit of the net pot. No need for gels or powders. It really doesn't get any easier in my opinion. I don't worry about humidity or ph and in 10-14 days all my clones are rooted. I've tried it all. Aero, soil, I even started out w a Rainforest 36 or something like that. Give it a try Im sure you'll find success. Good luck homie.

 

[FreezerBoy]

So if water is oxygenated, how can you over water with rockwool?

First, we have to define "over" water. Are we talking watered to death or more water than is considered perfect?

If we're talking the former and, IF the water is properly aerated, you can't over water. Properly aerated, the water is what keeps the plant from suffocating as the water is the O2 delivery system.