GroStar GS3 EC Pen complete-systems By installing the in-line Monitor

By installing the in-line Monitor with mixing chambe

The GrowBoss is a constant monitoring meter that indicates to the grower the exact levels of nutrient strength

extruded aluminum alloy chassis and integrated passive heatsink for natural convection thermal management (zero moving parts)

such as blossom end rot in tomatoes

Battery type: 1 x AAA alkaline

GroStar GS3 EC Pen complete-systems By installing the in-line MonitorAI11030 GroStar GS3 EC PPM Temp Pen Lab grade instruments designed specifically for growers! Includes: 2. 77 EC calibration solution (50 ml bottle) Measures conductivity EC, PPM (500), PPM (700) and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Titanium alloy sensor designed for high accuracy EC measurement Easy to use design and fast calibration adjustment. Large 3 color backlit