API 5-in-1 Test Strips Pack of 100 – Aquarium Water Test Strips | Water Quality

Poor water quality can cause fish stress, illness and even loss. It is important to renew 25% of the aquarium water every two weeks. When you change the water, it is important to know that tap water contains chemicals that make it safe for us to drink but harmful for fish, therefore add a water conditioner such as API STRESS COAT.

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