Check the listing for details. API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit, 4 Piece Set. Condition: New. Listed at 9.99 USD. API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit, 4 Piece Set- Contains one (1) API PH TEST Unit 250-Test Freshwater Aquarium Water pH Test Pack, including 1 container of testing course of action, 1 concealing card and 1 glass test tube with cap -Helps screen and change pH and prevent intangible water gives that can be perilous to fish -Definitely scrutinizes pH 6.0 - 7.6 and avoids fish loss considering the way that different geologies have particular fixture water conditions, and assorted fish need unmistakable pH levels to be sound, API helps measure pH levels and perceive pH instability achieved by fish waste, uneaten food and development of tap water. -Use for step by step checking and when water or fish issues appear NEW IN BOXNO RETURNSSHIPPING ONLY IN THE USA EXP 9/25