Grodan Improved GR10 -White Foil 4" x 4" x 4", (Pallet of 1,584 Loose Blocks) Carbon Filter High in both natural nitrogen

High in both natural nitrogen & calcium

so adding UJB helps to maintain the metabolic rate of plants

Replace or update your current watering wand valve with this convenient one-touch trigger valve

flexible installation

The 710 pulls 200 more pints per day on a 30 amp circuit than any other unit on the market

Grodan Improved GR10 -White Foil 4" x 4" x 4", (Pallet of 1,584 Loose Blocks) Carbon Filter High in both natural nitrogenGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with our Advanced Wetting Agent. These leading edge blocks have the optimal fibre structure and physical properties for crop uniformity, more even