Green Thumb Depot

groline 1413 µs/cm conductivity standard with certificate (230ml bottle)

groline 5000 µs/cm conductivity standard with certificate (230ml bottle)

groline 5000 µs/cm conductivity standard with certificate (120ml bottle)

groline 1413 µs/cm conductivity standard with certificate (120ml bottle)

hanna groline 470 mv @ 25°c orp test solution (500 ml)

hanna groline portable waterproof ph/ec/tds meter (high range)

groline ph/ec/tds multiparameter probe with quick din

groline digital refractometer for brix measurement in food

groline waterproof pocket ph tester with 0.1 resolution - phep®

hanna groline spare ph sensor for hanna testers

groline dist®4 waterproof ec tester (0.00-20.00 ms/cm)

hanna groline electrode cleaning solution for oil and fats (500 ml)

hanna groline soil test direct soil conductivity tester

hanna groline groline soil ph tester

hanna groline hydroponic waterproof pocket ph/ec/tds/temperature tester

halo2 groline wireless ph tester for soil

groline waterproof ec/tds (ppm) tester

groline waterproof hydroponic ph tester

hydrofarm trellis netting

ion under canopy led 120w 120v-277v