Bluelab Original Truncheon Nutrient Meter Hydrologic Best results will be achieved

Best results will be achieved when applying PFR-97 20% WDG at least once per week

there is no problem

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

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

Bluelab Original Truncheon Nutrient Meter Hydrologic Best results will be achievedWith 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