900mL of water
The Argon is a 2005 Aqua Masters Pre Chargers Water Warriors blaster that holds 900mL of water. It is no longer available for purchase since it is outdated. It is classified as an Air Blaster. 3 pumps are required to fill the blaster and it was the smallest blaster in the series. Like all other Aqua Master blasters it is named after a noble gas.