Digital PH Meter, VANTAKOOL PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC (Blue) (yellow)WIDE USE: Pocket Size PH Meter is the ideal test kit for home and laboratory uses. Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more. FAST AND ACCURATE: Ensure your pool, general hydroponics ph or even drinking water has a perfect pH balance and safe for use with VANTAKOOL Tester precision pH accuracy. VANTAKOOL Tester has a sensitive electrode sensor to read accurate pH levels. The included detailed