GroLine Hydroponics pH Tester spl_bfg The LED indicator will blink

The LED indicator will blink to show the PPM level in increments of 100

KDF & GAC Replacement KDF/Carbon pre-filter for MicRO 75

Also included are an excellent natural additive

Many growers use iGS-061 in an air conditioned and sealed room

technical grade blend of two key L-aminos for plant growth and health

GroLine Hydroponics pH Tester spl_bfg The LED indicator will blinkThe HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple meter to operate with all functions including turning on off and calibration are performed with a single button. The HI98115 features a replaceable HI1271 pH electrode that can be changed when needed without having to buy a new meter. The HI98115 is supplied complete with a carrying case and calibration