Myron L PoolPro PS9 Pool & Spa Meter with Alkalinity, Hardness & LSI Titration DW-2000 the EC-11 or EC-22 is

the EC-11 or EC-22 is all you need

and groundwater monitoring wells with surface contamination

Other gas configurations available — the Solo supports a wide range of common and exotic gas sensors

512T5 / 512T10 — TDS in ppm

Sensor head serviceable in place — lamp

Myron L PoolPro PS9 Pool & Spa Meter with Alkalinity, Hardness & LSI Titration DW-2000 the EC-11 or EC-22 isThe Myron L PoolPro PS9 is the Ultrameter III platform tuned for pool and spa service: conductivity, TDS, salt concentration, pH, ORP, Free Chlorine Equivalent, alkalinity, hardness, temperature and a Langelier Saturation Index calculator in one waterproof handheld. In cell conductometric titrations give you alkalinity and hardness on the deck, and the LSI calculator lets you test a dosing decision before you make it. Application Built for route