Start out by using your aquarium test kit to test the tap water for pH, ammonia, nitrite, and nitrate. Write down the readings and post them here. While you're waiting for test results, tell us about the tank. Size, filtration, substrate, and stocking would all be helpful.
Sent from my SAMSUNG-SM-N900A using MonsterAquariaNetwork App
Sent from my SAMSUNG-SM-N900A using MonsterAquariaNetwork App