Features1Plastic Material: Water test paper is made of plastic material, durable, practical, not easy to damage, long service life 2Quick Test: The test speed of the water test paper is fast, the test color changes only 15 seconds can be completed, easy to carry for outdoor testing 3Simple Operation: Classical colorimetric analysis, multi level detection requirements, visual reading with colorimetric card. Simple operation, no other supplementary materials 4 Sealing: Water test paper is packed in dry sealed bucket and sealed bag, air is not easy to enter, with sealing effect 5Widely Used: Used to test drinking water, household faucet, well water, tap water, swimming pool,SPA bath, aquarium, etcSpecificationItem Type: Water Test StripsMaterial: PlasticWeight: Approx. 76g / 2.7ozStorage: Cool and Dry Place, Avoid High TemperatureApplication: Suitable for Aquarium, Swimming Pool,SPA, Industrial Water, Drinking Water, Pond, Hot Spring Water, EtcRecommended for: Urine, Saliva, Drinking Water, Laboratory, Aquarium, Gym, Swimming Pool, Factory, Personal ApplicationPackage List1 Bottle x Water Test Strips (50 Strips) 1 x Specification