Description JBL Test Kit Refill – pH 3.0–10.0 The JBL Test Kit Refill – pH 3.0–10.0 is a convenient replacement for the indicator solution in your existing JBL pH test kit. Designed to provide continued precise pH measurements, this refill ensures you can maintain optimal water quality without purchasing a full new kit. What’s Included pH Indicator Solution: Sufficient for up to 50 tests. Benefits Cost-effective replacement to extend the use of your JBL pH test kit. Accurate pH measurements for freshwater, saltwater aquariums, ponds, and tap water. Easy to use with your existing test tube and color scale. Keep your water monitoring routine uninterrupted with the JBL Test Kit Refill – pH 3.0–10.0.
