Pargro Slab, 9.5″ x 8″ x 4″, case of 16

Pargro is lightweight stone wool made from basalt rock. It’s a highly uniform substrate that’s pathogen, disease, and seed-free, offering consistent plant growth. Stone wool is inert, so it will not add or hold back any nutrients, giving you complete control over your plants. Pargro media has rapid water distribution and excellent re-saturation capabilities, making it easy to use.

The Pargro family of products are made in the most popular sizes that offer value to many growing situations, such as boutique or craft growers, growers transitioning from coco or soil, and small-scale enthusiasts.

Pargro Slabs with Pre-Cut Plant Holes are designed for growers seeking a reliable substrate that facilitates easy irrigation throughout the veg and flowering phase. Pargro Slabs are versatile and offer:

• Vertical fiber orientation; inert hydrophilic fiber technology
• Uniform slabs ensure plants will have uniform crop development through to harvest
• Easy irrigation and good EC refreshment thanks to the fiber structure as well as the loose wrap
• Pre-cut plant holes for convenience