Hanna GroChek pHEP 4 Meter Bio-Fertilizer This remarkable three-part fertilizer is

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

MPDI RO/DI

But it doesn’t have to

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

Controls cooling or heating equipment

Hanna GroChek pHEP 4 Meter Bio-Fertilizer This remarkable three-part fertilizer isThe 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