Hanna Instruments HI9813-61 Portable pH/EC/TDS/Temperature Meter with CAL Check™ root growth tonic Num of Paddles: 3 rows

Num of Paddles: 3 rows of 10 (30 total)

Ideal for rooms from 1000 cu

plants remain in a vigorous vegetative state

With a coverage up to approximately 4500 ft per unit (depending on humidity level desired)

easy-to-read LCD display

Hanna Instruments HI9813-61 Portable pH/EC/TDS/Temperature Meter with CAL Check™ root growth tonic Num of Paddles: 3 rowsHanna Instruments HI9813 61 Portable pH EC TDS Temperature Meter with CAL Check Economical 4 in 1 Combo Meter CAL Check Diagnostics Noise Resistant Amplified pH Probe Ideal for Hydroponics & Greenhouses The Hanna Instruments HI9813 61 is a practical, budget friendly portable combo meter that measures pH, conductivity (EC), TDS (ppm), and temperature using a single multiparameter probe. Designed for agriculture, hydroponics, and greenhouse growing, it