Hanna Mini pH Controller harvest-solutions The premium granules expand up

The premium granules expand up to 7 times in volume when hydrated

transparent cover

Makes 128 gallons of solution

or you can stack it with the original Trim Bin set for maximum processing efficiency

pumps or CO2 or irrigation

Hanna Mini pH Controller harvest-solutions The premium granules expand upThe Mini pH controller has been designed for easy, affordable installation in tight spaces, ideal for simple and effective process control. The unit is provided with high impedance pH input and can be used with any pH electrode with standard BNC connector. Measurements are clearly displayed on the LCD, while the status LED indicates operating mode. The controller also features a dosing relay. Acid dosing causes the relay to activate when the