Hanna TDS 1382 Calibration 460 ml Growers Pick The ROI-E720 is controllable via

The ROI-E720 is controllable via the Growers Choice Master Controller or any 0-10V digital lighting controller

only the pack is replaced

has succeeded in producing a coco brick that is the exact same high quality medium that CANNA is known for but in a compressed form and one that truly makes a difference

12" diameter

Built for indoor and greenhouse use: Quick drying

Hanna TDS 1382 Calibration 460 ml Growers Pick The ROI-E720 is controllable viaHanna Solutions help keep your meter in good working order. Solutions are compatible with most testers and come in FDA approved opaque bottle to prevent light from damaging the solutions. Hanna Instruments' testing solution, ideal for gardening, laboratory work, and field experiments, comes in a bottle designed to keep air and light from damaging the solution.