Tetra AquaSafe 500ml
It’s important to treat water before adding fish. Tetra® AquaSafe®Solution removes chlorine and other harmful substances from the water. You should add eight drops of Tetra® AquaSafe® Solution per one gallon of water. For example, a two-gallon aquarium will need 16 drops of Tetra® AquaSafe® Solution. The 3.3-ounce size has a dropper built into the bottle.