mps

  1. Srbinette

    Help! New hot tub owner, chem questions. High CYA.

    We recently got a hot tub and was given the @ease system to use. I was given instructions on shocking with 1oz dichlor and 2oz MPS weekly. Well the @ease system wasn’t keeping up with heavy usage. My tub was turning slightly green in color (still very clear) and my CC was through the roof. So I...
  2. B

    difference between mps/monopersulfate and sodium thiosulfate use in hot tub, spa

    Hello, When we got our spa we bought some sodium thiosulfate that came in handy whenever we accidentally added too much chlorine. The cover on the spa (275 gal.) is on except when in use in evenings and when adding chemicals and sits in the shade all the time. It definitely did the trick and of...
  3. S

    Monopersulfate PPM recommendations

    Hi, I am now testing for Monopersulfate to separate out Total Oxidizer from Chlorine. I have searched the web and can not find any recommendations PPM for Monopersulfate. Also I understand from various reading that monopersulfate does not actually act to break down Combined Chlorine, but...