Quote Originally Posted by AnnaK View Post
the only differences are the delivery method–liquid or solid, and the concentrations of available chlorine.
. . . . and secondary effects!
  • Bleach has few effects;
  • Cal hypo raises calcium and alkalinity;
  • Trichlor lowers pH and raises stabilizer (CYA)
  • Dichlor lowers pH some, and raises CYA a lot.
  • SWCG (salt systems) tend to raise pH.