This 7-in-1 fish tank test strip is a must-have for any fish tank owner. The high precision reagent kit ensures accurate measurements, helping you maintain optimal water conditions for your aquatic pets. Its user-friendly design makes testing a breeze, simply add the reagent to the water sample and have . Features -Color:Multi -Material:Plastic -Size:11.50X4.20X4.20cm/4.52X1.65X1.65in -The high precision testing kit can accurately measure the water quality indicators to help you keep the water quality of your aquarium clean. -Suitable for monitoring of fish tank, swimming pools, different water sources, widely use. -This test strip has high precision, can give you convenience to use in your daily life to test. -Light weight and easy to carry. Keep you informed of water quality of your fish tank water. -High definition displays the test results for an easy and accurate reading, very convenient. Package list: 1 x bottle of aquariums ​t​est strips(50pcs/1 bottle)