'Aquaphase S-tec-6' is a microbicide/microbistat. Its Federal EPA registration number is: 10336-3. It was originally approved by EPA on 02 Feb 1973. Its registration got cancelled on 30 Nov 1992. It has a 'Danger' signal word. It has the following active ingredients: Sodium dichloro-s-triazinetrione. It's approved for 1 sites including cooling tower water. It is also approved for 1 pests and pest groups including but not limited to slime-forming bacteria.