PARGRO PAR10 - Large 4" (4x4x4) w/ Hole - Strip - Carton — Single Unit

Pargro® Rockwool Blocks provide a consistent hydroponic growing medium designed for moisture retention and root development. Features a bottom groove pattern for system compatibility and a single plug hole for transplanting Grodan® A-OK or Macro plugs. Supports uniform moisture distribution across the block. Suitable for a range of hydroponic growing setups.