JBL Easy Test 6 in 1 Test Strips will quickly and simply test for 6 parameters in your aquarium:
Simply place the strip in the water and compare it to the included colour chart for an accurate result. The kit includes 50 strips, so can perform 300 tests.
Fast results mean that taking care of your aquarium needn't be a lengthy task. The chlorine test result appears in just a couple of seconds, with the rest taking around 60 seconds.
Use weekly as part of your regular maintenance routine.