Water Treatment Forum This forum has 1 topic, 2 replies, and was last updated 5 years ago by Activated Carbons. Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Aluminium Trichloride -A1Cl3 (PAC) 30 MT Started by: Gary Steele 2 3 5 years ago Activated Carbons Viewing topic 1 (of 1 total) You must be logged in to create new topics. Log In Username: Password: Keep me signed in Log In