Kordon AmQuel Plus Aquarium Ammonia Detoxifier & Water Conditioner – 16oz $3.71 – 1gal – $13.94. “Lowest Price In 30 Days”. Prime Eligible.

Amazon has Kordon AmQuel Plus Aquarium Ammonia Detoxifier & Water Conditioner On Sale. 16oz @ $3.71, 1gal @ $13.94. "Lowest Price In 30 Days".
16oz size
https://www.amazon.com/KORDON-Amq…195&sr=8-3
1gal size
https://www.amazon.com/Kordon-Amm…195&sr=8-4