House & Garden Roots® Excelurator Silver Size:House and Garden Roots Excelurator Silver 200 Liter (1/Cs) A built-in photocell ensures that

A built-in photocell ensures that CO2 is only dispersed during the daylight time

#741612 ARCS Stage 2 Replacement Heavy Metal Reduction Cartridge to remove heavy metals

The detachable Leap pH probe has a toughened spear-tip for improved durability and is lightning fast in nutrient solution

Removes water down to 0

Images can be taken with your camera and stored in your smartphone's photo library

House & Garden Roots® Excelurator Silver Size:House and Garden Roots Excelurator Silver 200 Liter (1/Cs) A built-in photocell ensures thatHouse & Garden Roots Excelurator Silver is the classic formula that is compatible in hydroponic and recirculating systems.