This hot-selling pH test strip tube contains 150 strips for long-term daily testing, available in two options: universal 0-14 full range and precision 4.5-9.0 narrow range with 0.5 pH accuracy. Each strip creates distinct color changes within 15 seconds, paired with a printed color chart for straightforward comparison without extra tools or calibration.

Sealed cylindrical packaging keeps strips dry and stable for 2 years storage, avoiding reagent failure from moisture. Compact tube design is lightweight for home, lab, garden and outdoor field use. The 150-piece large quantity greatly cuts per-test cost, ideal for frequent monitoring.

The universal version suits drinking water, pools, soil and chemical experiments, while the narrow-range variant works perfectly for urine testing and aquarium water. Affordable, disposable and user-friendly, it is a must-have pH detection supply for hobbyists, farmers, laboratories and household daily use.