Lamotte Salt/TDS/Temp TRACER Meter PockeTester 4 Pack for Swimming Pools & Spas
0 to 99.9 ppm S, 100 to 999 ppm S, 1.00 to 9.99 ppt S Salinity Range. 0 to 99.9 ppm and mg/L, 100 to 999 ppm and mg/L, 1.00 to 9.99 ppt and g/L TDS Range. Auto Pool Cleaners. Pool Filters. Salt Chlorinators.