API 5-in-1 Test Strips Freshwater and Saltwater Aquarium Test Strips 25-Count Box

This product is a 5 in 1 aquarium test strip kit that tests for nitrate, nitrite, general hardness, pH and carbonate hardness. The strips are noted to be easy to read and come with a chart printed on the container. The FAQ section clarifies that the strips cannot be reused and provides additional usage and nitrate testing information. Some reviews suggest the strips run out quickly while others question their accuracy, but most comments praise the ease of use and readability. The absence of an ammonia testing strip is a noted concern. Overall, the product appears to provide an easy and quick testing option for aquarium water, but some customers have raised concerns about its accuracy and value for money.