Product Parameters
2 packs are included, with 50 test strips in each box, for a total of 100 strips. The strips are designed as 4-in-1 water test strips for pools, spas, and hot tubs. The product uses fiber paper with color blocks, and the bottle has a built-in color chart for value comparison. A sealed aluminum foil bag is included for refills, and the bottle should be closed tightly after use to reduce moisture exposure.

Core Features
Each strip is designed to check 4 chemical factors simultaneously, including chlorine, bromine, alkalinity, and pH. The strips provide a simple testing process: soak in water for 2 seconds, remove, hold horizontally for 15 seconds, then compare with the color chart on the bottle within 30 seconds. The design supports quick and clear water quality monitoring when used at room temperature.

Suitable Scenarios
Suitable for regular water testing in pools, spas, and hot tubs. It can be used to monitor water conditions and help maintain clean water in daily care routines. The provided information recommends testing at least twice a week for these types of water environments.

Product Summary
This is a 4-in-1 water test strip set with a total of 100 strips, made for convenient and routine testing of pool, spa, and hot tub water. With four indicator checks on one strip and a direct color chart comparison design, it offers a practical way to review key water quality conditions.