Practical and helpful: supports maintaining safe water quality with an ideal pH of about 7.2–7.6 and a chlorine range of about 1.0–1.5. This kit helps you monitor balance and quickly spot when adjustments are needed. Portable and practical: lightweight and compact, easy to carry, and includes a storage box for convenient transport and storage. Read with ease: features a combined colour map detector for pH and residual chlorine, allowing you to see the readings at a glance. Easy to use: rinse the colourimetric tube with the water to be tested, add 3 drops of reagent for free chlorine, close the lid and twist the tube slightly, then compare the colour to determine the free chlorine reading. This is a practical pool pH test kit. Use scenarios: - Routine pool or hot tub maintenance at home to keep pH and chlorine within recommended ranges. - Monitoring water in aquariums or garden ponds to protect fish and plants. - Portable water quality checks while camping, traveling, or testing water features in different locations.