Our commitment is to offer you the best colloidal silver at the best price. You find cheaper elsewhere you are refunded the difference.
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TDS-3 Meter and Temperature. TDS digital tester with a thermometer function, to test the purity and temperature of your water or check the performance of your distiller. This Tester 2 in 1: TDS conductivity meter and temperature is sold new (precalibrated) with its bag and its instructions. Power supply 2 x 1,5V Buttom Cell battery (included).