Science Lab Digital Ph Meter Tester

Specification:

This pen-type instrument has a compact size, weighs only 1.76oz(50g) that is perfect for outdoor or household use. Ideal for household or laboratory use; Suitable for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics; Appropriate for wide range of applications. Great for kids school science experiments. Test different bottled waters or even your homemade sauerkraut.