GroStar GS3 EC Pen commercial-lighting-fixtures The WD-1 water detector can

The WD-1 water detector can be used in one of two ways

Short and open circuit

• Reduce odors

to give you the biggest

GroStar GS3 EC Pen commercial-lighting-fixtures The WD-1 water detector canAI11030 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