The Green Pad CO2 Grand Daddy Pad, 2 Pads with Hanger Harvest Hand Trimming Kits Soil and Container plants: 0

Soil and Container plants: 0

These sensor manifolds integrate 2

and VPD triggers

Water Flow: 1

Material: Polypropylene

The Green Pad CO2 Grand Daddy Pad, 2 Pads with Hanger Harvest Hand Trimming Kits Soil and Container plants: 0The newest in our line of Green Pad CO 2 Generators. The Grand Daddy Pad or GDP is our largest and strongest Green Pad CO2 Generator. With the power of 4+ Original Green Pads and now an even better value. Use the GDP's for larger gardens, use 1 GDP for each 800 cubic feet. Use just like The Green Pads (Hang Spray and Walk Away!) but new GDP's are added every 10 12 days and leave in the oldest GDP's for up to 20 days (or more). With 2 Grand Daddy Pads