Hot Tub Water Chemistry

3,856 topics in this forum

1. Jimmyhotspring

   By Jimmyhotspring, April 29, 2023
   • 1 reply
   • 661 views
   • 
   • waterbear
   • May 11, 2023

3. Bromine startup problem

   By organic, October 2, 2022
   • 3 replies
   • 657 views
   • 
   • JWM6687
   • October 4, 2022

4. pH vs. Alkalinity

   By SMaguire, September 22, 2023
   • 1 reply
   • 656 views
   • 
   • waterbear
   • September 22, 2023

5. PH Plus Causing Cloudy Water

   By Wakiki MIke, July 11, 2019
   • 0 replies
   • 653 views
   • 
   • Wakiki MIke
   • July 11, 2019

6. New Hot Tub Owner

   By JPHotTub, February 23, 2020
   • 0 replies
   • 653 views
   • 
   • JPHotTub
   • February 23, 2020

7. Small amount of Antifreeze left in tub

   By Njhottub, January 13, 2022
   • 2 replies
   • 653 views
   • 
   • RDspaguy
   • January 17, 2022

8. Can't get my Bromine Levels Up 2

   By Ultraman, August 14, 2019
   • 4 replies
   • 652 views
   • 
   • Ultraman
   • August 16, 2019

9. Saltwater spas--effectiveness & do they damage equipment or spa????

   By DougA, January 31, 2021
   • 2 replies
   • 652 views
   • 
   • waterbear
   • February 3, 2021

10. Clueless and Defeated!

    By Yeti, February 13, 2019
    • 0 replies
    • 649 views
    • 
    • Yeti
    • February 13, 2019

11. Hot tub venting - Winter time

    By Mykkah, November 16, 2022
    • 2 replies
    • 649 views
    • 
    • Mykkah
    • November 17, 2022

12. Chemical suppliers

    By redxrunner, April 24, 2023
    • 1 reply
    • 649 views
    • 
    • Ahhsomeguy
    • April 25, 2023

13. Adding alkalinity and chlorine shock

    By Sunshine10, November 30, 2019
    • 0 replies
    • 646 views
    • 
    • Sunshine10
    • November 30, 2019

14. Chlorine Demand Testing

    By SPA-NUT, October 15, 2020
    • 0 replies
    • 646 views
    • 
    • SPA-NUT
    • October 15, 2020

15. Hot springs freshwater salt system problems

    By Pamoloop, January 26, 2022
    • 0 replies
    • 645 views
    • 
    • Pamoloop
    • January 26, 2022

16. Allergic to MPS

    By Bubblytubby, February 11, 2022
    • 1 reply
    • 645 views
    • 
    • waterbear
    • February 16, 2022

17. Cracked pipe and leak

    By rowley, October 18, 2018
    • 0 replies
    • 642 views
    • 
    • rowley
    • October 18, 2018

18. Chemistry drop-out with Questions on water chemistry

    By scorpionc53, May 10, 2019   

    • chlorine
    • chemistry
    • (and 1 more)

      Tagged with:

      • chlorine
      • chemistry
      • start-up
    • 0 replies
    • 642 views
    • 
    • scorpionc53
    • May 10, 2019

19. Help with CC going up, please?

    By DougA, February 12, 2021
    • 1 reply
    • 642 views
    • 
    • Apollothesun
    • February 14, 2021

20. Thank you so much!

    By llamarche, November 8, 2021
    • 0 replies
    • 638 views
    • 
    • llamarche
    • November 8, 2021

21. Max addition of Muriatic Acid when ALK is super high? Thoughts about Nitros steps on lowering Alk?

    By DougA, July 7, 2021
    • 0 replies
    • 637 views
    • 
    • DougA
    • July 7, 2021

22. Can Bromine tablets lose their effectiveness?

    By Chiroken, December 30, 2018
    • 0 replies
    • 635 views
    • 
    • Chiroken
    • December 30, 2018

23. Keeping Free Choline at 0.5--1.0 using Nature2 and MPS

    By DougA, January 28, 2021
    • 0 replies
    • 635 views
    • 
    • DougA
    • January 28, 2021

24. 35% hydrogen peroxide

    By Jerry1044, April 21, 2019
    • 0 replies
    • 632 views
    • 
    • Jerry1044
    • April 21, 2019

25. When to add water

    By bigroo42, April 10, 2020
    • 1 reply
    • 632 views
    • 
    • RDspaguy
    • April 10, 2020

26. pH Insanity - Constantly Rising + Test Differences

    By Tubber99, November 4, 2020
    • 1 reply
    • 632 views
    • 
    • waterbear
    • November 8, 2020