Make sure your pump is running. Then, dip your test strip up to your elbow and remove it immediately. Don’t shake off any water. Hold the strip horizontally for 15 seconds. Now, you’re ready to match the textured pads to our color chart. If you use a bromine sanitizer, these levels are shown in red.
Read tests in this order: FAC (free chlorine/bromine), pH, TA, CH, CYA.