Bottle pH Test Drops, pH reagent for testing pH of clear liquids.

TEST REAGENT Kit is a basic and simple test to check the quality of your water. Can be used for checking: - Your tap water - Filtration of your water filter - Quality of your water - Indicator of when filter requires replacing - Acidity of water - Alkalinity of water Combine with another item for which the buyer has already paid shipping. For bulk buying, choose Option #2 $14.99 option. Thank you