Hanna GroChek pHEP 4 Meter tents-/-indoor-greenhouses These growing blocks are used

These growing blocks are used for direct sowing or "blocking on" of Macro and Multiblock raised plants

Includes probe

Please note: There is no growing media included with this system

• ASOV (automatic shut off valve so drain line shuts down when product line is shut down)

PHOTOBIO delivers consistent optimal PPFD levels throughout the day while saving energy

Hanna GroChek pHEP 4 Meter tents-/-indoor-greenhouses These growing blocks are usedThe 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