Home / Fish Room Equipment Product Description Tetra test pH is a measure of how acidic aquarium water is.Fish do not like fluctuating pH levels, and some need to be kept at specific pH levels.How it WorksThe TetraTest pH kit is a liquid kit, which works by changing the colour of a water sample in relation to the pH level.You simply need to compare the colour of the sample to the enclosed colour chart, to determine the pH.You will get roughly 25 tests from each kit Specifications Brand Tetra Product Code phfwtest Weight 0.055kg Customer reviews No reviews left yet Write A Review Most RecentTop Rated Description Tetra test pH is a measure of how acidic aquarium water is.Fish do not like fluctuating pH levels, and some need to be kept at specific pH levels.How it WorksThe TetraTest pH kit is a liquid kit, which works by changing the colour of a water sample in relation to the pH level.You simply need to compare the colour of the sample to the enclosed colour chart, to determine the pH.You will get roughly 25 tests from each kit Attributes Brand Tetra Product Code phfwtest Weight 0.055kg Reviews No reviews left yet Write A Review Most RecentTop Rated Delivery & Returns Lorem ipsum dolor sit amet, Customer Reviews Tetra pH Freshwater test kit Item in Stock Product Code phfwtest £8.04 £9.65 (inc. VAT) Login to add this product to your wishlist.