4 PLANTS PER 4'X4' - POTPRO PLATFORM SYSTEM (DRAINAGE) (4'x8') HVAC & HOME VENTILATION Grodan Stonewool (rockwool) is made

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes

Rose gardeners know that their prize-winning blooms deserve more than an all-purpose fertilizer

If you want to expand it

Precision Perlite Coarse is cut with a ten mesh screen leaving all material to retain #4

the Gold Series is protected from dirt and moisture found in most grow rooms

4 PLANTS PER 4'X4' - POTPRO PLATFORM SYSTEM (DRAINAGE) (4'x8') HVAC & HOME VENTILATION Grodan Stonewool (rockwool) is madeIncluded in your Bundle: 8 x PotPro Platform 2 x PotPro Platform Fitting x Elbow (unit) 6 x PotPro Platform Fitting x T (unit) 2 x PotPro Drainage x Elbow (unit) 1 x PotPro Drainage x T (unit) 11 x PotPro Link x 2ft (unit)