Gro-Block Improved Uni-Block 8 in x8 in x4 in, No hole, (36/Cs)
The Grodan Improved Uni-Block was designed as the ideal stacking block, giving you more choice in your growing configuration. It was developed specifically for larger plants, to increase yields, with a solid base for top-heavy plants. The Uni-Block has excellent water holding capacity and provides a larger substrate volume for extra root growth. 8"x8"x4" block (case/36).
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