Grodan Improved 3x3x2.5
Gro-Block Imp GR4 40/40 w/Hole
Otherwise known as 3″ Large hole
(Loose) 384 pc
In-store, curbside or delivery!
- Private parking & loading area around back
- Discreet package & labeling on all deliveries
- Minimum 1-year warranty on all products
Leverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Improved 3x3x2.5 with Advanced Wetting Technology — our improved stone wool substrate.
The result of this scientific rigor is Grodan Improved 3x3x2.5 with our Advanced Wetting Agent. In the scientific trials, plants grown in these Improved Gro-Blocks had faster rooting-in, higher yields and improved quality
These leading-edge blocks have the optimal fiber structure and physical properties for crop uniformity. More even Water Content (WC) and Electrical Conductivity (EC) distribution throughout the entire block, and the greatest steering capabilities available. Water distribution is more uniform throughout the entire block. Which is the basis for a well-defined root system with higher capacities for water and nutrient uptake.
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