Hanna GroChek pHEP 4 Meter Bio-Fertilizer extruded aluminum alloy chassis and

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

This remarkable three-part fertilizer is easy to mix and control

pouch is ideal for the essentials

Controls cooling or heating equipment

Finish off your indoor garden with a professional look

Hanna GroChek pHEP 4 Meter Bio-Fertilizer extruded aluminum alloy chassis andThe 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