GRODAN GRO-BLOCK IMPROVED GR4 3X3X2.6″ UNWRAPPED Size:Pack of 16 The DE design ensures precise

The DE design ensures precise positioning of the arc tube

TNB pH Up & Down are crafted using only all-natural

Grozone USCO2 0–1600 PPM Ultra Simple CO₂ Controller

CANNA Coco Brick 20L is a high-quality compressed coco medium

3-in-1 probe with pH

GRODAN GRO-BLOCK IMPROVED GR4 3X3X2.6″ UNWRAPPED Size:Pack of 16 The DE design ensures preciseGrodan partnered with the Wageningen University and Research Facility and top growers from all over North America to determine the optimal stone wool substrate and irrigation strategies for indoor and greenhouse specialty crops. The result of this scientific rigour 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 Water