Grodan Pargro QD Biggie Block with Hole, 6″ x 6″ x 6″ – Case of 64

Pargro is the leader among affordable horticultural rockwool. Pargro Quick Drain Biggie Blocks 6″ x 6″ x 6″ are made right in the Grodan factory, you can be assured of a high-quality product at a great price.

• Better grooves, better drainage, less risk of root rot.
• Uniform fiber structure ensures optimum nutrient and pH control.
• Produced at the Grodan factory, but is a little firmer than Grodan.
• Used worldwide by commercial growers for over 14 years.