Hot Tub Water Chemistry

3,422 topics in this forum

1. Bromine use in spas

   By RDspaguy, Friday at 09:03 PM
   • 0 replies
   • 41 views
   • 
   • RDspaguy
   • Friday at 09:03 PM

3. Lowering Total Akalinity Howto, Not Just For Pools!

   By waterbear, March 31, 2012
   • 0 replies
   • 12,443 views
   • 
   • waterbear
   • March 31, 2012

4. Please Learn From My Mistakes And Medical Bills. 1 2

   By Itchy and Scratchy, February 10, 2011
   • 28 replies
   • 84,572 views
   • 
   • AnonDC
   • July 23, 2019

5. Dichlor/bleach Method In A Nutshell 1 2 3

   By Nitro, December 12, 2009
   • 69 replies
   • 71,774 views
   • 
   • drakeups
   • June 6, 2019

6. Lowering Total Alkalinity 1 2 3 4

   By Nitro, April 3, 2009
   • 87 replies
   • 173,083 views
   • 
   • waterbear
   • May 20, 2019

7. Decontamination 1 2 3 4 5

   By Nitro, March 30, 2009
   • 114 replies
   • 96,162 views
   • 
   • Rob1984qp
   • June 19

8. Chlorine Demand 1 2

   By Nitro, February 11, 2009
   • 28 replies
   • 42,203 views
   • 
   • _Samuel_
   • April 7

9. Nitro's Approach To Water Maintaince 1 2 3 4 7

   By Nitro, November 10, 2008
   • 170 replies
   • 178,823 views
   • 
   • Matt16060936
   • September 15, 2019

10. Very low ph and high total alkalinity

    By bsbush, July 24
    • 0 replies
    • 62 views
    • 
    • bsbush
    • July 24

11. Water Conditioners

    By Luxtont, July 23
    • 1 reply
    • 56 views
    • 
    • RDspaguy
    • July 23

12. Frog @ease inline Artesian Antigua

    By Briguy, July 15
    • 2 replies
    • 81 views
    • 
    • Briguy
    • July 15

13. pH & TA Issue

    By RobUK, July 15
    • 2 replies
    • 106 views
    • 
    • RobUK
    • July 17

14. Weird Foam

    By Rob1984qp, July 11
    • 2 replies
    • 123 views
    • 
    • Rob1984qp
    • July 12

15. Zorbie or Scumbug Usage

    By mpivovar, July 7
    • 0 replies
    • 118 views
    • 
    • mpivovar
    • July 7

16. Beachcomber Care Free

    By mpivovar, July 5
    • 1 reply
    • 118 views
    • 
    • RDspaguy
    • July 5

17. Crystal AOP issue

    By Kagootz, July 3
    • 0 replies
    • 89 views
    • 
    • Kagootz
    • July 3

18. Cloudy spillover spa

    By Jmurph, June 27
    • 3 replies
    • 117 views
    • 
    • RDspaguy
    • June 27

19. Can’t keep FC in hot tub.

    By Ozziejay, June 25
    • 19 replies
    • 234 views
    • 
    • RDspaguy
    • June 26

20. measuring low level of chlorine (around .3 -- .7 ppm)

    By DougA, June 16
    • 12 replies
    • 174 views
    • 
    • RDspaguy
    • June 24

21. Cleanwater Blue or Nature2 for Hot tub????

    By DougA, June 16
    • 0 replies
    • 94 views
    • 
    • DougA
    • June 16

22. Epsom salt and sodium chloride with chlorine generator

    By Wisefeather, June 14   

    • epsom salt
    • salt system
    • (and 1 more)

      Tagged with:

      • epsom salt
      • salt system
      • chlorine generator
    • 3 replies
    • 101 views
    • 
    • RDspaguy
    • June 15

23. TA and PH Issues - Dichlor then Bleach Method

    By DKMin, June 11
    • 7 replies
    • 238 views
    • 
    • RDspaguy
    • June 24

24. Brown Staining - Frog System

    By rodmo87, June 10
    • 1 reply
    • 121 views
    • 
    • RDspaguy
    • June 10

25. O-Care Biofilm Water treatment

    By Rob1984qp, June 9
    • 0 replies
    • 51 views
    • 
    • Rob1984qp
    • June 9

26. CalSpa Windsor 852 - UV/OZONE RETROFIT

    By Rob1984qp, June 8
    • 9 replies
    • 92 views
    • 
    • CanadianSpaTech
    • June 9