Bluelab Original Truncheon Nutrient Meter Hydrologic There are species in the

There are species in the root pack that will also deter algae growth on rockwool when the root pack is added to your recirculating reservoir at the rate of 1/3 tsp per gallon

Supplied with 2x AAA alkaline batteries

Safer Brand Garden 3-in-1 Garden Spray comes in a ready-to-use spray bottle that makes application a breeze

BENEFITS & FEATURES

Bluelab Original Truncheon Nutrient Meter Hydrologic There are species in theWith its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LEDs and no on off buttons to worry about, the Bluelab Truncheon Nutrient Meter has proven itself as the world's favorite nutrient meter. It is powered by three standard AA batteries. EC (023. 6), CF (236) and ppm scales (TDS and 700 scale). Fully waterproof design. No calibration required. Auto sense on and off. No external switches or