Green Pad Grand Daddy Co2 Generator (2 Pad Pack) Shipping this meter provides reliable readings

this meter provides reliable readings for pH

Helps keep internodes short

improves the structure of your substrate

The trays come flat packed for easy storage and transport

Submersible multi-use pump

Green Pad Grand Daddy Co2 Generator (2 Pad Pack) Shipping this meter provides reliable readingsThe 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 22 cubic metres. 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 in each pack you have as much CO 2 power as 8 +