Categories
- Organic Gardening+
- Natural Pest Control+
- Growing Indoorsโ
- Healthy Living+

Combo (HI991404)
Out of stock
The HANNA pH EC TDS Meterย continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse and horticultural applications. Includes a large, dual level, back-lit LCD to give instantaneous readings, even from a distance.
The HI 991404 ships complete with a non-clog double junction pH electrode and a rugged conductivity/ TDS sensor, 12 volt power transformer and buffer solutions 4 and 7 together with conductivity calibration solution.ย Warranty: 2-years (six months on electrode).
Instruction Manualย (PDF)
Grower’s Tip:
To prolong the life of the electrode, we recommend washingย it monthly by immersing it in cleaning solution (HI 7061) for half an hour.