hydrohippycommentedweek 46 years ago
Hiya...no I don't. I wait til I have plenty of roots coming out my 4" blocks. I only dip the bottom half of the block in a solution of formulex and sit them on the tray with out spreader for a couple of weeks in my veg tent and let them dry out to about 75% then dip em again til nice white fluffy roots come out. Then I'll lay out the spreader Matt and run the pump once a day til blocks are wet but not soaked.
Once they go on the flower tray I run the pump on a staggered timer say 15 mins every 4 odd hours. This way the blocks won't get saturated (depending summer/winter)
You must have plenty of roots first. It is an absolute must!!!
Did you pre soak your rockwool in 5.5 ph'd water for an hour or so? They have a lime content that needs flushing out. If not it will turn young plants yellow!!
Make sure your water is not freezing or you stun the roots.
Happy growing....need any tips just ask :-)
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