- Soak block overnight @ pH 5ish to breal in the rockwool. Shake out excess solution.

-Slip plastic sleeve off of the block.

-Using a sharp kitchen knife, make a slit about 2/3 of the way thru the block.

-Pry the block open gently w/ yer fingers and slip the root beard into the slit, gently spreading the roots

-Slip the sleeve back onto the block.

- Repeat until transplanted, irrigate w/ 1/4 strength nutrient ( w/ root stimulator @ full strength if'n yer using one).

Hope this helps.
Have fun.