TDS Meter by Outdoor Home. Water Quality Tester with TDS, EC & Temp Function. Accurate Professional TDS Range 0-9990ppm.

?? THIS CLEVER MULTI FUNCTION WATER TESTER is the perfect quick reference tool to test the quality of water. An easy way to test if the water you drink is safe, or your filtration system is doing its job or if the filters need to be replaced with this handy device.
?? A TDS CHECKER WITH A COLOUR CODED DISPLAY function that lets you know immediately if the water is ok. GREEN DISPLAY: less than 40ppm is OK for drinking. RED DISPLAY: greater than 40ppm may not be drinking quality, depending if the water is from fresh, bottled sources or tap water, check the scale range on the back of the tester. Includes a backlight display function for low light or night use.
?? LARGE DIGITAL SCREEN THAT MAKES IT EASIER TO READ, you may still need your glasses if you wear them for reading, at least you won