Hydrodynamics Europonic Rockwool Conditioning Solution ROCKWOOL COND. SOLUTION GALLON Europonic Rockwool Conditioning Solution adjusts and stabilizes rockwool pH for maximum nutrient uptake. A blend of pH controls and minerals for conditioning rockwool before starting seeds, clones, or transplants.  | Manufacturer's Product Information |  | | | 2007 MSRP Each $ | 30 | | Case Weight | 41.30 LB | | Case Dimensions | 13. x 13. x 12.5 IN | | Case Quantity | 4 | | |