Acid test kit - container of 4 tests - DIFF

Universal test for all types of refrigerating oils (Mineral, Alkylbenzen, Polyolester, Polyalkylen glycol, Polyalphaolefin). Packaging - 4 tubes (1 tube = 1 test). 5 seconds result :A change of color indicates acidityBlue or purple : no acidity(Ph · 6,8) Green : moderate acidity (Ph 6,8 to 5,2)Yellow : high acidity (Ph ¸ 5,2)

Given the nature of this product, it is recommended to have it installed by a professional.