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and plants that hold their gains through stress weeks instead of stalling out
Powder-coated steel guards resist rust in humid greenhouses and grow rooms
then the pebbles being used must be pre-soaked for a minimum period of 48 hours in pH water 4
Held at 55% it tends to be more brittle and sheds more in transit
ParGro Par6,5 - Small 4 ( 4x4x2.6 ) w/ Hole - Loose on Pallet - 2448 blocks per pallet Ozone and plants that hold theirPargro Stone Wool Propagation Blocks Pargro Par6,5 Small 4" (4x4x2. 6) blocks are lightweight stone wool made from basalt rock, engineered for uniform and consistent density. This rockwool media absorbs quickly, distributes water rapidly, and re saturates evenly, simplifying WC (water content) management for predictable results. Pathogen , disease , and seed free, each block promotes vigorous, even root growth throughout the entire substrate. The pre