Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w/ Hole Cases and Singles:Single Distinguishable from Classic Slabs: While

Distinguishable from Classic Slabs: While Expert Slabs are tailored for hobbyists with their vertical fibers

We do not ship solvents to Hawaii

ETL-Rated + EZ Mount: Certified for continuous use with an included mount bracket

4 integrated outlets: Any temperature or humidity trip fires all four outlets

Increased resilience against harsh conditions like drought and salinity

Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w/ Hole Cases and Singles:Single Distinguishable from Classic Slabs: WhileGrodan ParGro Jumbo 6 inch x 6 inch x 4 inch w Hole The Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w Hole is a game changer for hydroponic growers seeking superior moisture control and optimal root development. With its outstanding features, these rockwool blocks provide the perfect growing medium for your plants, ensuring healthy and vigorous growth. The Pargro line by Grodan has been specially modified to offer the driest value priced rockwool on