After clones root feeding

Rockwool clones are a week old and one has roots coming out the bottom.

Corner of dome is slid open for the first time. Perlite is underneath the clones so the roots can get longer before transplant.

My question is should I feed them and how? Going to use a mild Lucas formula but I don't know exactly how to go about feeding the one clone that rooted.

Do I mix the Lucas solution in a spray bottle and spray them? All the clones are turning yellow and hungry.

I'm surprised I couldn't find the answer when I searched on google. This stage of feeding is like a big secret or something.

The cubes are pretty much bone dry with one misting a day and they are hungry. Should I just folier feed with a mild Lucas solution? Advice on the stage is highly appreciated.

I'd start off mixing it at 1/4 strength and go from there.

blake9999 said:

I'd start off mixing it at 1/4 strength and go from there.

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Thanks for the quick reply, the cubes are bone dry now do I mist the Lucas on or?

Will misting be enough even if the cubes are bone dry? Or should they be dipped.

Edit: I just dipped the rockwool in 1/4 Lucas for a second and placed them on the perlite. They were bone dry and didn't think a folier spray would have gotten the job done at this point. Hopefully I did the right thing.

I don't use rockwool but I do know that when you're cloning you never let the medium you are using get "Bone Dry". Roots will not grow in bone dry conditions. you have to keep that rockwool damp all the time. You can foliar spray all you want but if that rockwool is bone dry you'll not get roots to grow.

Misting will not be enough if the rockwool is bone dry.

xtsho said:

I don't use rockwool but I do know that when you're cloning you never let the medium you are using get "Bone Dry". Roots will not grow in bone dry conditions. you have to keep that rockwool damp all the time. You can foliar spray all you want but if that rockwool is bone dry you'll not get roots to grow.

Misting will not be enough if the rockwool is bone dry.

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Yea they were pretty dry from only misting once per day for 9-10 days. One was still a little moist so I take it the cubes got dry recently. Seems like like the rockwool cubes can go about 9 days with only one misting per day because 2 rooted and one is looking especially nice. Having water at the bottom of the dome with the cubes raised above really helped and also misting the dome.