Pocket TDS ppm meter digital water tester ideal for use in monitoring EC/TDS in drinking water, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics and the printing industry.
How to use: 1, Remove the protective case and press ON/OFF button. 2, Immerse the TDS meter into the water. 3, Stirring the water tester and waiting the display stabilizes. 4, Wipe the meter with towel. 5, Press ON/OFF for 3 seconds and it will shut down.
We got for our hot tub because, it seem's the test strip's read the same everytime so we wanted to double check to make sure it is right cause seem's odd to get the same reading! read more »