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460 Replacement Guide:
200K blue spectrum for vegetative stage
The rockwool will last for the life of your plant
8" open end for sealing
Easy to navigate menu to program
Hanna GroChek pHEP 4 Meter bio soil 460 Replacement Guide:The 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
