Clones Problem Rock wool to Soil PLEASE HELP!

speero78 · Sep 28, 2011

Hi,

I have been growing for years, but never had a problem with my clones, but i moved countries and the soil that i am using here is made by locals and has no labels or NPK Ratio. so i guess thats the problem...but cant fix it!! info and pics listed below. appreciate the help

Mother plants:

Chronic
L.A confidential
Super canalope
N.L 2 x 5

Clones: have ben 25 days in soil and not growing.
Soil used for cones : Peat moss
P.H: 5.5
Temp:25C to 27C
Humidity: 75%
Lighting: 18hrs on 6hrs off 400Watt MH
NPK: did not add yet
Rooting: Clonex Gel + Rockwool + heat mat and then after rooting i use peat moss.
Room Size: 3MX2mX2m height Good ventilation.

I have a digital P.H meter and EC/PPm

Mothers are in great health.

Thank you in advance for any advice.

303 · Sep 28, 2011

ph too low? not fimilar with peat moss but even hydro 5.5 is too low. I keep my ph 5.8-6.2 anywhere in between. In soil the ph needs to be much higher. 5.5 you can get away with in rockwool but planting in peat moss may require higher ph. I don't like your humidity either, but i don't think it has anything to do with the def symptoms.

shmoked · Sep 28, 2011

303 hit it I believe. Peat moss is too acidic for mj IMO.

speero78 · Sep 28, 2011

Thanks 303...so all these symptoms on leaves are caused by Ph being too law. i will increase the air out to decrease humidity to 60%. is that ok?

One more question is it ok to place the rock wool in soil after rooting ?

303 · Sep 28, 2011

speero78 said:
Thanks 303...so all these symptoms on leaves are caused by Ph being too law. i will increase the air out to decrease humidity to 60%. is that ok?

Its better, my desired humidity is 50%. Some indoor environments without expensive equipment just can't maintain the perfect humidity but 60% is better. At 75% you'll run into problems down the line.

speero78 · Sep 28, 2011

Thanks 303...if you don't mind adding you to the friends list. just for additional info: this room is only for clones i have 3 other rooms 4m x 4m. with 4 600w electric ballast/dimmer type. i have invested allot, been growing outdoors and a bit of indoors but this is one of the biggest projects i have ever worked on. and lack resources where i am located. will be needing much of your help if thats ok with you ? appreciated 303. cheers

bigjesse1922 · Sep 28, 2011

speero78 said:
so all these symptoms on leaves are caused by Ph being too law.

303 is correct, your problems are ph related.

You're locking out nutrients the plant needs to survive. Looks like N and MG are def.

speero78 · Sep 28, 2011

So in order to fix this i just increase water ph to 6.3 and then just water them and wait ?? should i add any nuts ??

bigjesse1922 · Sep 28, 2011

I have never grown in peat so to be honest, I am not sure what to advise.

Yes, ph your solution up to 6.3-6.5. My instincts tell me you might want some lime in there but I don't know how that works with peat...I will do some research.

If I were you, I would give them a 1/4 to 1/2 strength dosage of nutes added to water the next time they need watered, and make sure it's ph'ed properly.

But don't water them again with anything until they are ready for it. You don't need to add an overwatering problem.

303 · Sep 28, 2011

speero78 said:
Thanks 303...if you don't mind adding you to the friends list. just for additional info: this room is only for clones i have 3 other rooms 4m x 4m. with 4 600w electric ballast/dimmer type. i have invested allot, been growing outdoors and a bit of indoors but this is one of the biggest projects i have ever worked on. and lack resources where i am located. will be needing much of your help if thats ok with you ? appreciated 303. cheers

Always glad to help. Msg me anytime.

speero78 · Sep 28, 2011

Thanks 303 and bigjesse ...i love the spirt and time given to help strangers...i wish all people are like that in the real world...

cheers guys will be annoying you some more in the coming few, if i am still facing this problem...

bigjesse1922 · Sep 28, 2011

speero78 said:
Thanks 303 and bigjesse ...i love the spirt and time given to help strangers...i wish all people are like that in the real world... cheers guys will be annoying you some more in the coming few, if i am still facing this problem...

303 knows more than I do, but glad to be able to help.

Wetdog · Sep 28, 2011

speero78 said:
So in order to fix this i just increase water ph to 6.3 and then just water them and wait ?? should i add any nuts ??

No, to fix it you are going to have to add lime (dolomitic or calcitic) to the mix to correct the pH. pHng liquid is temporary at best and won't fix anything.

I've grown in peat based mixes for years, and without the lime you are fighting an uphill battle.

Wet

bigjesse1922 · Sep 28, 2011

bigjesse1922 said:
My instincts tell me you might want some lime in there but I don't know how that works with peat...I will do some research.

Well there you go.

speero78 · Sep 30, 2011

Hi again general question, i am rooting the clones in rock wool and i am getting 100% roots on all. but my problem is after i get the roots i place them in soil but the the roots are just not spreading into the soil ? any suggestions ? thanks

bigjesse1922 · Sep 30, 2011

speero78 said:
Hi again general question, i am rooting the clones in rock wool and i am getting 100% roots on all. but my problem is after i get the roots i place them in soil but the the roots are just not spreading into the soil ? any suggestions ? thanks

It can take a couple days.

I like to use Mykos @ 1 TSP right under my clones when they are transplanted.

But, how do you know they aren't rooting into the soil? You shouldn't be able to see it...are you digging them back up and looking?

speero78 · Oct 4, 2011

Actually i dont djg to see but i was transplanting some in new soil and discovered none rooted into the soil. i think it is the PH problem, i transplanted all into new soil and i am going to wait and see.

rockhopper · Oct 7, 2011

speero78- I have had issues in the past when transplanting rockwool cubes into soil. The rockwool cube tends to hold alot of moisture compared to the surrounding soil. If you are watering too often then the clones have no real reason to send roots out into the surrounding soil since they are getting all the moisture they need at this early stage of growth from just the rockwool. They will root out into the soil faster if they are allowed to dry out more between waterings. I also try to avoid watering right in on the cube itself, but just lightly water the surrounding soil..... the rockwool will pull moisture in from the surrounding damp soil and it helps force the plant to send new roots out in search of the moisture. Hope this helps. Rock

bigjesse1922 · Oct 7, 2011

rockhopper said:
speero78- I have had issues in the past when transplanting rockwool cubes into soil. The rockwool cube tends to hold alot of moisture compared to the surrounding soil. If you are watering too often then the clones have no real reason to send roots out into the surrounding soil since they are getting all the moisture they need at this early stage of growth from just the rockwool. They will root out into the soil faster if they are allowed to dry out more between waterings. I also try to avoid watering right in on the cube itself, but just lightly water the surrounding soil..... the rockwool will pull moisture in from the surrounding damp soil and it helps force the plant to send new roots out in search of the moisture. Hope this helps. Rock

Very good advice.

rockhopper · Oct 7, 2011

Thanks BigJesse. - RockHopper

Clones Problem Rock wool to Soil PLEASE HELP!

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