Grodan Gro-Block Improved GR7.5 Medium with Hole, 4" x 4" x 3" - Case of 192 PAR Increases resistance against salinity (nutrient

Increases resistance against salinity (nutrient salt buildup) by limiting uptake of excess minerals present in the planting medium

Use stand-alone with the optional LX1 USB AgrowLINK for PC based control

The ROI-FV is controllable with Grower’s Choice Master Controller and is compatible with all quality master controllers

These light-weight sprayers are ideal for spraying water

Grodan Gro-Block Improved GR7.5 Medium with Hole, 4" x 4" x 3" - Case of 192 PAR Increases resistance against salinity (nutrientNew and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. A core component of the "Precision Growing" philosophy, Grodan Gro Blocks Improved with Advanced Wetting Technology allow you to cultivate more uniform and high quality crops while using less water