Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w/ Hole Cases and Singles:Single 4 integrated outlets: Any temperature

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

We do not ship solvents to Hawaii

500 Packets Per Master Case: Volume for a packaging line rather than a retail shelf or a single humidor

Be sure to install the Black Hatch with the silver (reflective) side on the inside of your grow area

ensuring optimal moisture levels for your plants

Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w/ Hole Cases and Singles:Single 4 integrated outlets: Any temperatureGrodan 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