Hanna Combo pH & ORP + Temperature Tester spl_jondon non-circling root system (without toxic

non-circling root system (without toxic chemicals)

or as decorative top dressing for container plants

This instrument offers single point

conductivity

The product measures pH from 0 to 14 and TDS from 0 to 1999 mg/L (ppm)

Hanna Combo pH & ORP + Temperature Tester spl_jondon non-circling root system (without toxicHI98121 is a waterproof meter that measures pH, ORP and temperature. The housing of this tester has been completely sealed against humidity and are designed to float. Electrode replacement with the stainless steel round connector means there are no pins to bend or break during replacement. When the cloth junction becomes clogged and response time is sluggish, simply pull out 3 mm (1 8") to clear the clogging which will improve response time and