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In systems using reverse osmosis (RO) water and plants grown in inert media
flowable formulation which is dust-free
This soluble and available nutrient combination stimulates blooming
an early scouting program to determine early infestations is recommended
Successful calibration indicator and calibration is optional
Bluelab Commercial Truncheon Meter HGC700776 In systems using reverse osmosisWith a conductivity range right up to 6. 0 EC (60 CF, 3000 ppm x 500 and 4200 ppm x 700), it will never leave you short. The Commercial Truncheon Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or ppm requirement during their growing cycle. It is super tough, fully waterproof, has no on off buttons to worry about and does not need calibrating. EC (0. 4 6. 0), CF (4 60) and ppm scales (TDS and 700 scale). Auto