Apera Instruments GroStar GS3 EC Pen Mylar & Reflective Coverings and Magnesium Nitrate

and Magnesium Nitrate

Stops Pipe and Valve Freeze Down to -40°F

swimming pools

Stealthiness is key when you constantly have relatives or family stopping by

Front Yards

Apera Instruments GroStar GS3 EC Pen Mylar & Reflective Coverings and Magnesium NitrateLab grade instruments designed specifically for growers! The GS3 EC Pen 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 screen gives you clear