Pargro Quick Drain Jumbo Blocks, 6" x 6" x 4" (case of 36) growing-accessories Depending on the size of

Depending on the size of your cartridge

Improves beneficial soil microbial activity and improve overall plant quality

They can be easily mixed with other media for increased aeration and added moisture-holding capabilities

Weight: 2 lbs

Pargro Quick Drain Jumbo Blocks, 6" x 6" x 4" (case of 36) growing-accessories Depending on the size ofPargro is the leader among affordable horticultural rockwool. Made right in the Grodan factory, so you can be assured of a high quality product at a great price. Drainage Driest value priced rockwool on the market 14% drier than competitor blocks Value Value pricedno frills saves you money Half case sizes in plain boxes Quality Cheap in price, but not in strength and uniformity Made under quality control at Grodan factories