Hot Tub Water Chemistry

3,445 topics in this forum

1. Bromine use in spas

   By RDspaguy, July 31
   • 1 reply
   • 404 views
   • 
   • dlleno
   • Tuesday at 08:58 PM

3. Decontamination 1 2 3 4 5

   By Nitro, March 30, 2009
   • 114 replies
   • 97,624 views
   • 
   • Rob1984qp
   • June 19

4. Chlorine Demand 1 2

   By Nitro, February 11, 2009
   • 28 replies
   • 42,762 views
   • 
   • _Samuel_
   • April 7

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

   By Nitro, November 10, 2008
   • 170 replies
   • 180,430 views
   • 
   • Matt16060936
   • September 15, 2019

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

   By Itchy and Scratchy, February 10, 2011
   • 28 replies
   • 85,469 views
   • 
   • AnonDC
   • July 23, 2019

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

   By Nitro, December 12, 2009
   • 69 replies
   • 72,743 views
   • 
   • drakeups
   • June 6, 2019

8. Lowering Total Alkalinity 1 2 3 4

   By Nitro, April 3, 2009
   • 87 replies
   • 173,895 views
   • 
   • waterbear
   • May 20, 2019

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

   By waterbear, March 31, 2012
   • 0 replies
   • 12,724 views
   • 
   • waterbear
   • March 31, 2012

10. Freshwater Salt System

    By John999, Monday at 10:28 AM
    • 9 replies
    • 108 views
    • 
    • RDspaguy
    • 3 hours ago

11. New Tub, and Frustrated

    By Datub88, September 17
    • 2 replies
    • 97 views
    • 
    • Datub88
    • Monday at 11:36 PM

12. Itchy and Running Out of Ideas

    By JustinTub, August 24
    • 8 replies
    • 239 views
    • 
    • dlleno
    • Monday at 08:31 PM

13. Noob:How much pH Reducer to add?

    By jchannon, Monday at 01:17 PM
    • 1 reply
    • 37 views
    • 
    • RDspaguy
    • Monday at 07:21 PM

14. Ahh-some goes up against SpaGuard and EcoOne

    By dlleno, Monday at 03:07 PM
    • 0 replies
    • 44 views
    • 
    • dlleno
    • Monday at 03:07 PM

15. Starting again, have questions

    By egclassic, September 14
    • 6 replies
    • 104 views
    • 
    • egclassic
    • September 20

16. Frog @ease - No CYA

    By Ndx, September 16
    • 1 reply
    • 69 views
    • 
    • RDspaguy
    • September 16

17. Confused on water chemistry

    By cmmyer, August 14
    • 10 replies
    • 258 views
    • 
    • RDspaguy
    • September 14

18. Chlorine levels jump AFTER shocking with MPS

    By sybilla, September 11
    • 1 reply
    • 64 views
    • 
    • RDspaguy
    • September 11

19. Issue with yellow water, high PH, and high alkalinity...

    By AaronV40M, September 6
    • 3 replies
    • 90 views
    • 
    • RDspaguy
    • September 10

20. Weird Water after Running Jets

    By Ndx, September 7
    • 2 replies
    • 95 views
    • 
    • Ndx
    • September 10

21. Arctic Spa Onzen Issues

    By BJC1984, September 7
    • 1 reply
    • 69 views
    • 
    • RDspaguy
    • September 8

22. Water Balance is this OK ?

    By MikeTub, September 2
    • 1 reply
    • 70 views
    • 
    • RDspaguy
    • September 8

23. Hot tub

    By JackieK, September 2   

    • hot tub codes
    • bullfrog
    • (and 1 more)

      Tagged with:

      • hot tub codes
      • bullfrog
      • heater problems
    • 2 replies
    • 98 views
    • 
    • RDspaguy
    • September 8

24. New Tub Cloudy Water - Filter Compartment Coincidence?

    By Dpwct, January 28, 2016   

    • bromine
    • hotsprings
    • (and 3 more)

      Tagged with:

      • bromine
      • hotsprings
      • ozonator
      • cloudy
      • ph
    • 1 reply
    • 1,492 views
    • 
    • AsiaHorner
    • September 2

25. Cedar Hot Tub is 2 months old - Tannins, Chlorine Demand, and Ionizer

    By undherben, April 20, 2017   

    • cedar tub
    • tannins
    • (and 5 more)

      Tagged with:

      • cedar tub
      • tannins
      • chlorine demand
      • ionizer
      • new tub
      • sanitation
      • wood
    • 4 replies
    • 1,667 views
    • 
    • Ryno
    • September 2

26. Has Anyone Used Clear Choice?

    By jamie future spa owner, November 10, 2005
    • 14 replies
    • 18,211 views
    • 
    • bob1082
    • September 1