Bluelab TDS TruncheonBluelab TDS Truncheon 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

Simple two-point calibration process for accuracy

roots excelurator

and Sensi Cal-Mag Xtra is the only hydroponic additive tested on and designed specifically for the types of plants you grow

Long lasting

Spical-Plus Predatory mite Neoseiulus californicus

Designed for ThinkGrow Single-bar LED fixtures

the plant will form larger flowers and fruits and encourage faster

pre-set regulator

Rated Watts: 60

Quick and easy to assemble - no tools required

Orius lays a large proportion of its eggs in (side) shoots

RapidStart® helps plants develop strong root networks