HI981420 GroLine Hydroponic Nutrients...

The HI981420 GroLine Monitor provides 24 hour continuous...

S$ 537.00 *

HI981405N pH / EC & TDS-Indicator with...

HI981405N - GRO'CHEK pH / TDS or conductivity value with...

S$ 305.00 *

HI981401N pH-Indicator with LED-Alarm &...

HI981401N - GRO'CHEK pH indicator with LED & Alarm...

S$ 190.00 *

HI991404 pH/EC/TDS/°C-Monitor with...

HI991404 - GRO'CHEK Combo pH / EC / TDS / ° C monitor...

S$ 355.00 *