HM DIGITAL TRIPLE TDS METER, MARINE AQUARIUM, RO WATER, REEF, MONITOR, CORAL

Triple Probe TDS Monitor. For testing of RO water from your RO unit. 7.6 x 2 x 4.7 cm (3 x. 8 x 1.9 in.). Specification Range Power source 0-9990 ppm. 62cm (including sensor). Cable Length.

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