Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w/ Hole Cases and Singles:Case of 64 000 Hours: Extended diode lifespan

000 Hours: Extended diode lifespan reduces replacement frequency and long-term fixture cost

378" Footprint: Small enough to sit flat in a vial or pop-top without pressing on the contents

The 4 g covers 12 g

Actual runtime tracks room volume and target ppm

Seaweed also improves soil structure and water-holding capacity to keep plants well-watered in dry conditions

Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w/ Hole Cases and Singles:Case of 64 000 Hours: Extended diode lifespanGrodan 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