Hand-held tester to measure pH and O2...
Hand-held tester to measure pH and O2 content in the pool water.
79 Item Items
Warning: Last items in stock!
Draw water from the pool then dissolve the tablet for measuring O2 and pH. After a few minutes, compare the color of the water with the scale (comparison chart).
DPD 4 RAPID - O2 measurement
Phenol Red RAPID - pH measurement
Package contains 20 tablets + measuring container.