Etekcity® 0.1 pH High Accuracy Pocket Pen pH meter meter, pH Handheld Pen Tester, 0.00 -14,00pH measuring range, 0.1 pH resolution for action Budget drinking water, aquarium pool water (Misc.)
I use the Etekcity PH meter especially for pH measurements in my swimming pond (~ 8.0 PH). The pH measurement is easier and more accurate read as with the previous use of gauges, where you have to determine the pH value by means of a color scale. The