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This ceramic pool depth marker is printed with 2 1/2 FT and has a skid resistant surface
This red nylon covered neoprene sleeve will prevent deterioration
Its natural crimp and elasticity give woolen bedding the ability to store air and create a perfect insulation layer that helps the body maintain its ideal temperature
Phosphates present a challenge beause they feed algae spores
LaMotte pH Tracer PockeTester - 1741 heater-certification_None This ceramic pool depth markerThis pH Tracer PockeTester measures pH from 0. 00 to 14. 00 with an accuracy of plus minus 0. 01. A memory feature saves calibrations between sensor changes and stores up to 15 readings. With this PockeTester, you can add a TCI (Chlorine) and or ORP sensor so you can test three factors (sold separately). The rugged flat surface electrode will alert user when it's time to RENEW. A CAL indicator shows when to recalibrate and user can select a 1, 2, or 3
