Hot Tub Water Chemistry

3,857 topics in this forum

1. General questions on Bleach

   By newtubuser413, March 20, 2021
   • 11 replies
   • 1.9k views
   • 
   • waterbear
   • March 21, 2021

3. Superchlorination Water Temperature

   By tomkitty, March 20, 2021
   • 2 replies
   • 978 views
   • 
   • tomkitty
   • March 20, 2021

4. High pH Low TA

   By NWHandy, March 19, 2021
   • 0 replies
   • 529 views
   • 
   • NWHandy
   • March 19, 2021

5. Peroxysan - White Floaters After Refill 1 2 3

   By cramp11, November 9, 2009
   • 65 replies
   • 22.2k views
   • 
   • Leann
   • March 19, 2021

6. Fixing 5.0 ppm CC in hot tub?

   By DougA, February 6, 2021
   • 2 replies
   • 706 views
   • 
   • duckcmmndr
   • March 18, 2021

7. Correct way to interpret fas-dpd test.

   By d.sebens, March 15, 2021
   • 4 replies
   • 1.5k views
   • 
   • waterbear
   • March 16, 2021

8. When to get in after 3 step bromine process

   By WickedTub, March 8, 2021
   • 1 reply
   • 741 views
   • 
   • waterbear
   • March 16, 2021

9. Using dichlor to shock

   By d.sebens, March 9, 2021
   • 4 replies
   • 1k views
   • 
   • waterbear
   • March 16, 2021

10. Why does an ozonator allow lower bromine levels?

    By d.sebens, March 13, 2021
    • 8 replies
    • 1.9k views
    • 
    • waterbear
    • March 16, 2021

11. How Much Bleach Per Gallon?

    By soakerman, February 27, 2007
    • 22 replies
    • 57.7k views
    • 
    • waterbear
    • March 16, 2021

12. Mystified - Chlorine Levels

    By CanadianRodder, March 13, 2021
    • 2 replies
    • 904 views
    • 
    • waterbear
    • March 16, 2021

13. Bleach In Hot Tubs 1 2 3

    By chem geek, January 12, 2008
    • 50 replies
    • 98.7k views
    • 
    • waterbear
    • March 12, 2021

14. Softub water chem?

    By PNWpip, March 11, 2021   

    • softub 220
    • chemistry
    • (and 1 more)

      Tagged with:

      • softub 220
      • chemistry
      • ta
    • 2 replies
    • 1.4k views
    • 
    • waterbear
    • March 11, 2021

15. How much bleach for bromine activation?

    By d.sebens, March 6, 2021
    • 0 replies
    • 523 views
    • 
    • d.sebens
    • March 6, 2021

16. Bromine/chlorine too high after balancing water.

    By d.sebens, March 5, 2021
    • 0 replies
    • 634 views
    • 
    • d.sebens
    • March 5, 2021

17. Organic Chloramines

    By rmcderm313, February 18, 2021
    • 4 replies
    • 1.5k views
    • 
    • rmcderm313
    • March 4, 2021

18. peanutbuttery goo in my spa

    By Guest Rhonda, September 23, 2005
    • 23 replies
    • 52.2k views
    • 
    • waterbear
    • March 3, 2021

19. Converting to Bromine from chlorine

    By WickedTub, March 1, 2021
    • 1 reply
    • 589 views
    • 
    • RDspaguy
    • March 1, 2021

20. Can't Get Ph Down

    By rdefino, February 3, 2010
    • 23 replies
    • 26.4k views
    • 
    • waterbear
    • February 27, 2021

21. Odd bromine test. Hot tub

    By Edwardscizzorhands, February 25, 2021
    • 1 reply
    • 571 views
    • 
    • waterbear
    • February 27, 2021

22. No chlorine reading with ozone system

    By SpaVic, February 16, 2021
    • 10 replies
    • 2.1k views
    • 
    • RDspaguy
    • February 23, 2021

23. Swim Spa water issue - biguanide system being used.

    By Shalena, February 10, 2021
    • 6 replies
    • 1.1k views
    • 
    • waterbear
    • February 22, 2021

24. Can I upload a video clip to support my question posted a few mints ago?

    By Masood, February 14, 2021
    • 10 replies
    • 1.1k views
    • 
    • waterbear
    • February 22, 2021

25. DIY spa filter cleaner

    By Brotha Hayz, January 18, 2021
    • 3 replies
    • 2.2k views
    • 
    • RDspaguy
    • February 20, 2021

26. HIgh Alkalinity, Low ph

    By Yodaa2, February 19, 2021
    • 1 reply
    • 773 views
    • 
    • RDspaguy
    • February 19, 2021