Hydrodynamics Ionic - Grow - Hardwater IONIC GROW HARDWATER GALLON (4 Ionic One Part - Grow, Hardwater Formula (5 - 2 - 6) is a revolutionary one part formula formed from a series of complex reactions producing a stable and available form of plant nutrients. IONIC's formula guarantees quality, continuity and ease of use. IONIC is pH buffered. Designed specifically for vegetative growth and Hardwater.  | Manufacturer's Product Information |  | | | 2007 MSRP Each $ | 33 | | Case Weight | 41.30 LB | | Case Dimensions | 13. x 13. x 12.5 IN | | Case Quantity | 4 | | |