GroChek pH/EC/TDS/Temp. Combo
GroChek pH/EC/TDS/Temp. Combo GroChek pH/EC/TDS/Temp. Combo
Our price: $183.94
34.1% Off Retail Price $278.99 You Save $95.05!

Hanna Instruments GroChek pH/EC/TDS/Temp. Combo (HI991404)

This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse, and horticultural applications.

At startup, the GroChek performs a self-check to assure proper working condition. The stability indicator and HOLD function lets the user know when to take readings and freezes the reading on display for easy and accurate recording.

This instrument is supplied with a non-clogging double junction pH electrode as well as a rugged conductivity probe that will withstand even the most aggressive environments. The 12 VDC adapter makes these instruments ideal for all continuous monitoring applications.

Please note: This item cannot work with a digital ballast.


  • Large, dual-level backlit LCD
  • Waterproof
  • Auto calibration & pH temp. computing
  • Adjustable TDS ratio and adjustable β
  • Stability indicator and HOLD

Manufacturer's Product Information
MSRP each $246.95
Dimensions11 x 4 x 15
Case Quantity1

— Ships from HF: OR, CA, CO, PA, TX, FL USA.