Rockal Rock-Ponic Blocks

Rockal rockwool blocks provide a high-quality rockwool alternative for hydroponic and indoor cultivation.

Rockal Rock-Ponic Blocks

Description

Rockal rockwool blocks provide a high-quality rockwool alternative for hydroponic and indoor cultivation. The Cubes are a good size for transition planting or finishing small plants, and they feature a standard-size rockwool macro-plug cutout for easy transplanting of seedling starts. We offer these rockwool blocks for sale individually so you can purchase the right amount to fit your needs.

Features

  • High-density material offers ample support and water retention for plants of any size, and ensures that the blocks will maintain their shape during handling.
  • Sterile, UV-blocking wrapper protects roots and fits tightly to keep water and nutrients in the root zone. Specially-developed wetting agent provides efficient, uniform saturation and optimized nutrient uptake with a water holding capacity of 85-95%.
  • Pre-cut squares ensure perfectly uniform, repeatable spacing for grow blocks-no measuring or guesswork required.
  • Rockal Blocks are manufactured from at least 70% recycled material.

Advantages:

 

  • Excellent water holding capacity.
  • Higher substrate volume for extra root growth.
  • Uniform WC and EC throughout the block. Improved control and steerability.
  • Solid base for top-heavy plants.
  • Larger yields.

Available Size:

Item size Slabs/Pack
RP25 4” x 4” x 25” 216
RP44 4” x 4” x 44” 144
RP64 4” x 4” x 64” 164
RP66 4” x 4” x 66” 64

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