Hot Tub Water Chemistry

3,853 topics in this forum

1. Some truths on bleach dosing

   By waterbear, March 22, 2021
   • 17 replies
   • 10.1k views
   • 
   • waterbear
   • October 17, 2023

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

   By Itchy and Scratchy, February 10, 2011
   • 32 replies
   • 104.7k views
   • 
   • Sunnyangie
   • May 23, 2023

4. Dichlor/bleach Method In A Nutshell 1 2 3 4 6

   By Nitro, December 12, 2009
   • 130 replies
   • 118.5k views
   • 
   • DaveP
   • May 7, 2023

5. Some truths about pH and TA

   By waterbear, November 9, 2020
   • 4 replies
   • 9.4k views
   • 
   • DesertDorkus
   • May 21, 2022

6. Decontamination 1 2 3 4 5

   By Nitro, March 30, 2009
   • 119 replies
   • 136.1k views
   • 
   • rightcoastgirl
   • October 24, 2021

7. Bromine use in spas

   By RDspaguy, July 31, 2020
   • 5 replies
   • 10.8k views
   • 
   • waterbear
   • September 20, 2021

8. How to use Bromine (3 step method)

   By waterbear, May 9, 2021   

   • howto
   • hot tub santizer
   • (and 3 more)

     Tagged with:

     • howto
     • hot tub santizer
     • waterbear
     • 3 step bromine
     • bromine
   • 0 replies
   • 19.1k views
   • 
   • waterbear
   • May 9, 2021

9. Lowering Total Alkalinity 1 2 3 4

   By Nitro, April 3, 2009
   • 90 replies
   • 197k views
   • 
   • mscdman
   • April 15, 2021

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

    By Nitro, November 10, 2008
    • 171 replies
    • 230.8k views
    • 
    • Fingerstank
    • March 29, 2021

11. Chlorine Demand 1 2

    By Nitro, February 11, 2009
    • 28 replies
    • 57.5k views
    • 
    • _Samuel_
    • April 7, 2020

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

    By waterbear, March 31, 2012
    • 0 replies
    • 19.5k views
    • 
    • waterbear
    • March 31, 2012

13. Adding Chlorine or Acid directling into Hot Tub, yes or no?

    By Davekro, March 31   

    • adding chemicals
    • 5 replies
    • 244 views
    • 
    • Gebo
    • April 10

14. cal hypo

    By THE DUDE, March 31
    • 0 replies
    • 142 views
    • 
    • THE DUDE
    • March 31

15. Bromine salt system, TA, and borates

    By pdxrain, March 25
    • 2 replies
    • 210 views
    • 
    • pdxrain
    • March 30

16. Raise Alkalinity when pH is high

    By WiseOne, March 19
    • 8 replies
    • 330 views
    • 
    • waterbear
    • March 27

17. k-2042

    By THE DUDE, March 2
    • 6 replies
    • 329 views
    • 
    • waterbear
    • March 25

18. cut my foot in the tub??

    By THE DUDE, February 22
    • 3 replies
    • 352 views
    • 
    • waterbear
    • March 22

19. Bullfrog EOS, Wellspring or NO Ozone on a new 2023 A6L for best experience with keeping water and chemicals balanced?

    By Davekro, January 4
    • 20 replies
    • 1.1k views
    • 
    • Davekro
    • March 20

20. Hot Spring Spa

    By Mommabear, March 12
    • 2 replies
    • 266 views
    • 
    • Mommabear
    • March 14

21. Lowering The Calcium Hardness (Ch)

    By moishe, July 12, 2012
    • 15 replies
    • 16.4k views
    • 
    • ovglove
    • March 11

22. Very Strong 'skin sensitivity' reaction to Bromine hot tub. How to do a bathtub test for a “Chlorine” reaction?

    By Davekro, March 1   

    • bathtub chlorine test
    • antihistamine
    • (and 3 more)

      Tagged with:

      • bathtub chlorine test
      • antihistamine
      • rash
      • bromine
      • skin sensitivity
    • 4 replies
    • 525 views
    • 
    • waterbear
    • March 7

23. AHHSOME-??

    By THE DUDE, February 15
    • 5 replies
    • 439 views
    • 
    • Ahhsomeguy
    • March 3

24. Constantly low alkalinity and chlorine...even after cleaning and refill! PLEASE HELP!

    By kelclsub, February 22
    • 5 replies
    • 407 views
    • 
    • waterbear
    • February 27

25. Spa salt water conversion and headache issues

    By wineandcheese23, February 21
    • 1 reply
    • 444 views
    • 
    • waterbear
    • February 21

26. Wife consistently getting a rash...

    By Tinkers, February 17
    • 3 replies
    • 427 views
    • 
    • waterbear
    • February 18