Hanna GroChek pHEP 4 Meter lighting-&-electrical-components 900 µmol/s in the key

900 µmol/s in the key wavelengths between 400-700 nm

The blend is composed of outstanding ingredients

Pargro stonewool blocks are available in a number of sizes to suit all types of plants

reusable plastic container that actively enhances the quality of the root systems of plants

Hanna GroChek pHEP 4 Meter lighting-&-electrical-components 900 µmol/s in the keyThe pHEP 4 includes a dual level LCD, battery level indicator, BEPS, replaceable pH electrode cartridge, stability indicator, automatic shut off, electrode removal tool, and automatic calibrationall in a floating, waterproof casing. It is ideal for users who require the greatest accuracy and features while staying economical. Features Waterproof and designed to float Automatic temperature compensation Automatic calibration Tactile grip casings HOLD