HTG Supply Grodan Rockwool / Stonewool 3″ x 3″ x 4″ Gro Blocks – 8 Pack

Overview
Grodan Gro Block Improved GR5.6 Large 3″ with Holes

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and improved EC control with less water is achieved in the root zone due to the uniform, optimized wool resulting in sustainable water and nutrient use. Improved “re-wettability” able to more easily increase water concentration in the substrate.
Features:

Leverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro-Blocks Improved with Advanced Wetting Technology — our improved stone wool substrate.

    Excellent water holding capacity
    Cultivate more uniform and high-quality crops
    Faster rooting-in of plants
    Less water and nutrient usage throughout the entire crop cycle
    Uniform Water Content and Electrical Conductivity distribution throughout block
    Delivers real results to your crops
    Higher plant yields

Specifications
Weight
1 lbs
Dimensions
3 × 24 × 4 in
Brand

Grodan
Product Category

Soil & Grow Mediums