pH Paper 4.5-7.5 Refill Pack# A WPH
Refill pack of five rolls (each is enough for 100 tests), 4.5-7.5 pH. Rolls can be used by themselves, or they will fit a dispenser if you already have one. The roll with dispenser is no longer available in this pH range, but dispensers are available with pH 1-11 or pH 5.5-8.0.
Customer Reviews
|