FREE Shipping on all orders over $145
Grodan Improved Gro-Block GR4 Small, 3 x 3 x 2.5 in (7.5 x 7.5 x 6.5 cm), No Wrap (384 / case)
CA$289.95
Grodan Improved Gro-Block GR4 Small is a high-quality stone wool block designed for consistent rooting and vegetative growth. Its uniform structure and optimized air-to-water ratio provide strong, healthy plants from the start.
SKU
GRO-GR4-3X3X2.5-NW-384
Grodan Improved Gro-Block GR4 Small (3 x 3 x 2.5 in / 7.5 x 7.5 x 6.5 cm) is crafted from advanced stone wool technology to give professional growers a reliable medium for propagation and early-stage plant development. These unwrapped blocks deliver excellent moisture control and aeration, ensuring roots establish quickly and evenly.
The improved Gro-Block design promotes better steering and crop uniformity while reducing the risk of over- or under-watering. Easy to handle and ideal for transplanting into larger Grodan blocks, slabs, or hydroponic systems, these blocks support vigorous growth and healthy crop cycles.
Each case contains 384 blocks, making them efficient for commercial greenhouses, propagation rooms, and vertical farms looking for consistent results at scale.
Key Benefits:
-
Uniform structure for strong and even root development
-
Optimized air and water balance for reliable crop steering
-
No wrap for enhanced root penetration and easy transplanting
-
Compatible with a wide range of hydroponic and greenhouse systems
-
Convenient case pack of 384 for professional growers
Write Your Own Review