The Aqueon 7 in 1 Aquarium Test Strips are a convenient and efficient solution for monitoring the water quality in your aquarium. With 7 tests in 1 compact strip, these chemical test strips from the trusted brand Aqueon provide accurate and reliable results. Each kit includes 50 count of test strips, ensuring you have an ample supply for ongoing maintenance of your fish tank water quality. Plus, with free express shipping in the United States, you can easily and quickly keep your aquatic environment healthy and thriving.