My clones are nearly dead

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Ive had these clones now for nearly a month, I got them brand new.

They were cut at 45 dgrs and dipped in clonex rooting gel and placed in rockwool cubes.

They have since then deteriorated to yellow droopy and dying, I am not doing anything differently to what I normally do.

I am using formulex clone nutes at 10mm per litre as per directed and using a heat pad and humidity dome under a 400 watt hps light.

This has worked in the past for me and the only thing that is different is the heat pad, I checked today and it seemed a little hot at 32 dgrs C, Im in Australia so thats 89.6 dgrs F

I checked one today by carefully prying open one of the rockwool cubes and there ar eno visible roots at all coming from the stem, and the stem looked brown and not to healthy, they should have rooted by now!

Any help appreciated.

 

[MajoR_TokE]

You put those fresh unrooted clones under your 400w hps?

 

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yeah I did after about 3 weeks under the fluro with no visible sign of improvement, I have had clones under a 400w before with no dramas, do you suggest putting them back under the fluro?

I was also thinking about re cutting them and and dipping them in gel again and putting them in new rockwool cubes to see if this helps?

 

[MajoR_TokE]

Well when i clone i can put 20 or so clones under a single cfl. I keep the cfl about 12 - 16" above them for about a week or a little longer. They don't need much light. As soon as i see new growth i kick it up and give them the light they need.

 

[Gyp]

looks like you got attacked by algae too.

 

[cali-high]

they have root rot toss em and try again.

 

[medical.use]

I was also thinking about re cutting them and and dipping them in gel again and putting them in new rockwool cubes to see if this helps?

Those clones look nearly dead and should be tossed out. I wouldn't waste any more time on them. If you can just start new clones and watch them closely. Sounds like your doing everything right. Personall i dont use nutes or heating pad so i don't know if thats your prob. I also would also keep them under your flour at least until you see roots coming out.

 

[nongreenthumb]

In my sig is a link for taking clones. The heat pad is not great though. I never heat my clones now, i used to back when i couldn't get them take.