Hanna - GroChek pH & Temperature Combo MonitorProfessional pH controller especially designed for use with hydroponic systems and aquariums. Range: 0. 0 to 14. 0, 2 point manual calibration and Accuracy: 0. 2 pH. Set Point Range: 5. 5 to 9. 5 pH, LED visual alarm active & power plug socket for dosing turned on when reading is higher or lower (user select) than the set point. Supplied with 12V DC power adapter, MA911B 2 double junction pH probe, 20 ml pH 7. 01 calibration solution and screwdriver

1 x Cloth Carrying Bag

Hassle Free

1x full instructions

(1) YX12AP - 19mm Cone Bowl

Other directions:

RooR Ashtray Glass 4

1x Carry Can XL

Plant roots naturally secrete a mild form of acid to help dissolve nutrients for plant uptake as they grow through the soil

We value utility

A butane gas 12 pack contains 12 butane gas canisters

green vegetative growth

(1) YX10 - 4" / 10cm Downstem Diffuser