Starting 1.5" Rock Wool Cubes to Put into 4" Cubes

Pimpy Longstocking

Active Member
Do I start the cuttings in the 1.5" rockwool cubes alone? Or do I place the 1.5" cubes containing the cuttings into the 4" cubes and wait for them to root? I'm trying the ebb & flow, top feeding system. Thanks for any advice :)
 
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