Description Are you looking for a professional, affordable water test strip? Are you in search of a sturdy water test strip that offers you a comfortable use experience? If your answer is yes, please come and take a look at this product! Our professional water test strip can meet your needs. Features- Material: PET- Color: Assorted Color- Size: approx 10.00X3.50X3.50cm 3.93X1.38X1.38in- Weekly test the water if water or fish problems appear, monitor your fish tank, ensure your fishes to grow happier and healthier.- Easy to operate and test, just need to Simply dip water and compare with large color chart designed on bottle.- Very simple operation steps, no other auxiliary consumables are required. Convenient and practical.- Suitable for fish tank, swimming pools, spas and other industries, bringing you a safe and comfy living space.- Portable size and easy to carry out. You can take it everywhere, which can give you a great usage experience. Package Including 50 x test strips