Hot Tub Water Chemistry

3,934 topics in this forum

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

   By Nitro, November 10, 2008
   • 174 replies
   • 271.7k views
   • 
   • waterbear
   • January 12, 2025

3. Decontamination 1 2 3 4 5

   By Nitro, March 30, 2009
   • 120 replies
   • 233.7k views
   • 
   • SteveOL
   • December 20, 2024

4. Dichlor/bleach EasyPeasy!

   By waterbear, October 30, 2024
   • 0 replies
   • 2k views
   • 
   • waterbear
   • October 30, 2024

5. False high pH readings when shocking--Some truths

   By waterbear, July 31, 2024
   • 3 replies
   • 2.7k views
   • 
   • waterbear
   • October 5, 2024

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

   By Nitro, December 12, 2009
   • 132 replies
   • 147.2k views
   • 
   • waterbear
   • May 8, 2024

7. Common Terms and Abbreviations

   By waterbear, May 8, 2024
   • 0 replies
   • 1.6k views
   • 
   • waterbear
   • May 8, 2024

8. Some truths on bleach dosing

   By waterbear, March 22, 2021
   • 17 replies
   • 16.4k views
   • 
   • waterbear
   • October 17, 2023

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

   By Itchy and Scratchy, February 10, 2011
   • 32 replies
   • 111.2k views
   • 
   • Sunnyangie
   • May 23, 2023

10. Some truths about pH and TA

    By waterbear, November 9, 2020
    • 4 replies
    • 12.8k views
    • 
    • DesertDorkus
    • May 21, 2022

11. Bromine use in spas

    By RDspaguy, July 31, 2020
    • 5 replies
    • 14.7k views
    • 
    • waterbear
    • September 20, 2021

12. How to use Bromine (3 step method)

    By waterbear, May 9, 2021   

    • howto
    • waterbear
    • (and 3 more)

      Tagged with:

      • howto
      • waterbear
      • hot tub santizer
      • 3 step bromine
      • bromine
    • 0 replies
    • 63.9k views
    • 
    • waterbear
    • May 9, 2021

13. Chlorine Demand 1 2

    By Nitro, February 11, 2009
    • 28 replies
    • 62.9k views
    • 
    • _Samuel_
    • April 7, 2020

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

    By waterbear, March 31, 2012
    • 0 replies
    • 20.5k views
    • 
    • waterbear
    • March 31, 2012

15. Help/advice needed please: switching from Dichlor/Bleach method to Hot Springs Freshwater IQ Saltwater system

    By Venams, April 24
    • 0 replies
    • 473 views
    • 
    • Venams
    • April 24

16. Using dichlor in a bromine hot tub

    By SteveOL, January 20
    • 6 replies
    • 952 views
    • 
    • SteveOL
    • January 24

17. I am so confused

    By brody, December 28, 2025
    • 1 reply
    • 328 views
    • 
    • waterbear
    • December 30, 2025

18. Reoccurring Cloudy Spa Water

    By jasonD, November 27, 2025
    • 17 replies
    • 1.6k views
    • 
    • SteveOL
    • December 22, 2025

19. How long does sodium bisulfate stay in water?

    By Mkes2, December 21, 2025
    • 4 replies
    • 488 views
    • 
    • Mkes2
    • December 22, 2025

20. Didn't rinse the filter cleaner well enough.

    By Adamg, November 15, 2025
    • 0 replies
    • 385 views
    • 
    • Adamg
    • November 15, 2025

21. New to Taylor test kit, am I doing this test right?

    By SenseiThunder, October 9, 2025
    • 13 replies
    • 1.6k views
    • 
    • THE DUDE
    • October 14, 2025

22. How Much Boric Acid? 1 2

    By JimKW, March 24, 2011
    • 29 replies
    • 16.2k views
    • 
    • waterbear
    • October 13, 2025

23. Strategy for seldom used "hobby" inflatable tub?

    By f0ff886f, September 29, 2025
    • 1 reply
    • 438 views
    • 
    • waterbear
    • September 29, 2025

24. question CC above 10, can’t get it down

    By SenseiThunder, September 22, 2025   

    • help
    • 2 replies
    • 353 views
    • 
    • SenseiThunder
    • September 24, 2025

25. Sanitizer lock out from CYA with N2 cartridges, JMO

    By THE DUDE, August 24, 2025
    • 5 replies
    • 728 views
    • 
    • waterbear
    • September 17, 2025

26. Help!!! White Flakes in spa

    By TonkaMike, May 22, 2025
    • 2 replies
    • 776 views
    • 
    • Geezer
    • September 17, 2025