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  1. M

    proper use of chlorine and non-chlorine shock to extend life of water

    Wanted to followup on my quest to extend life of my hot tub water. We took a 2 week vacation and left instructions for house sitter to use 3/4 cup bleach one day, MPS oxidizer next day for 13 days we were gone. Got back and it was a little stinky but thought I could probably recover it. But...
  2. M

    proper use of chlorine and non-chlorine shock to extend life of water

    Thanks to everyone for all the sage Spa advice, and for putting up with my learning curve on voice recognition software. Both free and total chlorine levels have remained stable for several days. It's been crazy hot here and we didnt get in it for at least 4 days. So I haven't added any new...
  3. M

    proper use of chlorine and non-chlorine shock to extend life of water

    To bridgeman- thank you. Yes MPS is more expensive, plus much more is required. i complicated things by underdosing the first couple times not sure what that did but it confuse things or at least me. but it eats combined chlorine which is nevcessary if you are trying to stretch the life of your...
  4. M

    proper use of chlorine and non-chlorine shock to extend life of water

    To chemgeek: thank you. So it sounds like my test strips that I like so much are not going to be adequate now that I'm mixing and matching and chlorine and MPs oxidizing shock. I guess the question remains on how best to marry the usage of these two. perhaps you address that too, I'll reread...
  5. M

    proper use of chlorine and non-chlorine shock to extend life of water

    to kiss4afrog: Thank you. What about combined chlorine over time? I don't want to dump it in my dead yard...besides you so much chemicals in it by now they would probably kill the crab grass and dandelions.
  6. M

    proper use of chlorine and non-chlorine shock to extend life of water

    Thanks so much to everyone for your help. To clarify this is a bullfrog hot tub model R6L, 13 months old and I assume it has an ozonator but after a half hour of research it appears there are upgrades perhaps to the base, but I wouldn't buy a new premium, hot tub in 2013 without one would I...
  7. M

    proper use of chlorine and non-chlorine shock to extend life of water

    there is a serious drought. I do not want to dump 400 gallons of water into my yard until I absolutely have to. I am in month 7, used dichlor on exit of daily uses for first couple months until CYA spiked, then just bleach,along with weekly dose of Spa perfect. Chemistry has been stable, but it...