Hanna GroChek pHEP 4 Meter tents-/-indoor-greenhouses With a total of 120

With a total of 120 LED chips across six boards

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

Simply submerge the tip of the specially designed electrode into soil

Includes probe

essential nutrients for plant growth

Hanna GroChek pHEP 4 Meter tents-/-indoor-greenhouses With a total of 120The 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