Betta Basics is the best in water conditioners for your Betta fish (Siamese Fighting Fisht).
Creates ideal environment both bettas and plants
Removes any chlorine, chloramine and detoxifies ammonia
Buffers to 7.0
Use with each water change. For best results also use 2–3 times per week. Add 1 capful (5 mL) per each 1.25 L (1.25 quarts) of water. In Betta-only bowls (i.e. no plant) use 1 capful per 4 L (1 US gallon) with water changes.