Hanna GroChek pHEP 4 Meter lighting-&-electrical-components Pargro stonewool blocks are available

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

is capable of 277V and 347V operation

then spray on seeds

two 188 CFM Active Air 6" inline booster fans for intake and exhaust

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

Hanna GroChek pHEP 4 Meter lighting-&-electrical-components Pargro stonewool blocks are availableThe 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