Bluelab Truncheon EC Stick Nutrient Meter CF PPM Strength Control Hydroponics with the amount of ozone

with the amount of ozone produced being equal to or greater than current lamp ozonators

Allows the grow room environment to have a consistent air flow passing through

MADE IN THE UK - BY SUPREME GARDENER

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no calibration required

Bluelab Truncheon EC Stick Nutrient Meter CF PPM Strength Control Hydroponics with the amount of ozoneItem Description The world's favourite nutrient meter! With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on off buttons to worry about, the Bluelab Truncheon Nutrient Meter has proven itself as the world's favourite nutrient meter. It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding your plants AND while they are