Hot Tub Water Chemistry

3,797 topics in this forum

1. Hot tub venting - Winter time

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

3. Yellow/white slimy flakes in my hot tub (Giant but break down easy)

   By Jessmzam, June 8, 2021   

   • hottub
   • calcium
   • (and 2 more)

     Tagged with:

     • hottub
     • calcium
     • biofilm
     • water
   • 14 replies
   • 3.5k views
   • 
   • waterbear
   • November 16, 2022

4. How much calcium carbonate

   By Dena, November 8, 2022
   • 2 replies
   • 394 views
   • 
   • Dena
   • November 11, 2022

5. Dichlor/Bleach Method-What Should I Do Before Leaving For Vacation?

   By Jhastings000, November 10, 2022
   • 0 replies
   • 344 views
   • 
   • Jhastings000
   • November 10, 2022

6. PH and Alkalinity balance - Not as easy as it sounds

   By Rcf, October 25, 2022
   • 5 replies
   • 745 views
   • 
   • waterbear
   • November 6, 2022

7. Oils On Top Of Water

   By BGore, January 5, 2006
   • 7 replies
   • 3.7k views
   • 
   • Stormy
   • November 6, 2022

8. new fill, do i bromine, chlorine or non-chlorine shock to start?

   By psychonaut, October 3, 2022
   • 2 replies
   • 612 views
   • 
   • dashmer
   • November 1, 2022

9. Why all the hype about Bromine?

   By DYNA962007, October 31, 2022
   • 4 replies
   • 687 views
   • 
   • dashmer
   • November 1, 2022

10. Recovery after prolonged 0 chlorine

    By gre, October 25, 2022
    • 7 replies
    • 571 views
    • 
    • gre
    • October 28, 2022

11. Hydrogen Peroxide After Chlorine Shock

    By Spasome, June 1, 2013
    • 4 replies
    • 22.7k views
    • 
    • Tmorin
    • October 22, 2022

12. Identify... is it White Mold...Or??

    By CanadianSpaTech, October 17, 2022
    • 6 replies
    • 568 views
    • 
    • Ahhsomeguy
    • October 19, 2022

13. Calcium Stearate (White Flakes) 1 2 3 4

    By arobbert, July 2, 2016
    • 75 replies
    • 26.6k views
    • 
    • Foxpo
    • October 17, 2022

14. Stains or growth in hot tub. What is this?

    By jamesg5000, October 7, 2022
    • 1 reply
    • 443 views
    • 
    • Scottie_In_IA_1981
    • October 9, 2022

15. High Ph requiring 14 oz of Dry Acid to get water in range

    By Forgiven1, October 7, 2022
    • 3 replies
    • 474 views
    • 
    • Scottie_In_IA_1981
    • October 8, 2022

16. How can I reduce my water TDS at home?

    By Giovanni, October 8, 2022
    • 0 replies
    • 316 views
    • 
    • Giovanni
    • October 8, 2022

17. Did I damage my Spa?

    By spamadness, October 1, 2022
    • 3 replies
    • 575 views
    • 
    • dashmer
    • October 5, 2022

18. Has Anyone Used Clear Choice?

    By jamie future spa owner, November 10, 2005
    • 15 replies
    • 23.1k views
    • 
    • Lindamarie
    • October 5, 2022

19. Bromine startup problem

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

20. Hydrogen Peroxide Fill

    By TomC, June 7, 2010
    • 8 replies
    • 3.7k views
    • 
    • connor
    • September 21, 2022

21. PEROXYSAN

    By Susie B, September 20, 2022
    • 0 replies
    • 340 views
    • 
    • Susie B
    • September 20, 2022

22. Raise calcium hardness... Calcium Chloride... use ice melt?

    By IanMcLoud, September 13, 2022
    • 3 replies
    • 791 views
    • 
    • waterbear
    • September 15, 2022

23. Scale and Stain Controller - is this necessary?

    By Jimmie, September 9, 2022
    • 0 replies
    • 334 views
    • 
    • Jimmie
    • September 9, 2022

24. Question regarding shocking a bromine tub

    By denrayr, September 6, 2022
    • 1 reply
    • 414 views
    • 
    • waterbear
    • September 8, 2022

25. DPD water testing help- Bromine DPD-1 vs DPD-4 trying for low level safe bromine.

    By qbquixote, August 29, 2022
    • 0 replies
    • 418 views
    • 
    • qbquixote
    • August 29, 2022

26. Bromine Start up question (Canada)

    By llamarche, August 23, 2022
    • 2 replies
    • 597 views
    • 
    • llamarche
    • August 27, 2022