pH from 6.0 to 9.0

pH from 6.0 to 9.0
pH from 6.0 to 9.0
State-of-the-art strips help ensure proper water environment. Each vial features a leak-proof, hinged pop-top lid and a wrap around desiccant liner to protect strips from moisture intrusion. Bright, attractive color-coded hang or stand boxes. Contains 25 test strips/vial.