Feature: 1. QUICK AND ACCURATE: With the swimming pool water quality test paper, you can easily test the water quality and accurately grasp the pH, total hardness and chemical content of the water. 2. MULTIPLE SCENARIO APPLICATIONS: Water test strips are suitable for aquariums, swimming pools, drinking water, ponds, spa water and many other scenarios, guaranteeing your water quality safety every time. 3. PREMIUM MATERIALS: Swimming pool test strips are made of test paper, which is safe and harmless, ensuring reliable results without worrying about contamination or misinformation. 4. EASY TO USE: Simply immerse the water test strips in water for a few moments and read the results through the color change, no complicated operation or professional knowledge required. 5. 100PCS: 100 strips of swimming pool test strips are easy to store and carry around, so you can test your water quality at any time. Specification: Item Type: Pool Test Strips Material: Test Paper Weight: Approx. 87g/3.1oz Specification: 100 Strips/Bottle Storage: Cool and Dry Place, Avoid High Temperature Use: For Aquarium, Swimming Pool, Spa, Industrial Water, Drinking Water, Pond, Spa Water, Etc.. Package List: 1 Bottle x Test Strip (100pcs)1 x Manual1 x Storage Bottle