Rockal Rock-Ponic Pads

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.

Rockal Rock-Ponic Pads

Description:

  • ROCKAL Rock Grow commercial grade stone wool grow slab is manufactured from high-grade raw material.
  • Wetting agent ensures nutrients are immediately plant available.
  • High fiber density makes better use of water and fertilizers while allowing dry back.

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:

  • Comfort in handling.
  • Preventing algae growth.
  • Preventing roots and diseases from moving easily from slab to slab.
  • Minimizing evaporation.
  • Enabling full saturation of the slabs before use.
  • Controlling/directing the water-run off from the slabs.
Item size Slabs/Pack
RP-Slab 6” 6” x 3” x 36” 12
RP-Slab 8” 8” x 3” x 36” 12
RP-Slab 6” Fat 6” x 4” x 36” 12
RP-Slab 12” 12” x 3” x 36” 8

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