Hot Tub Water Chemistry

3,856 topics in this forum

1. What went wrong..

   By Ndx, August 6, 2020
   • 11 replies
   • 1.1k views
   • 
   • waterbear
   • August 11, 2020

3. What Would Cause A Bromine Tablet To Swell?

   By Whoneedsavacation, March 6, 2008
   • 3 replies
   • 1.6k views
   • 
   • Whoneedsavacation
   • March 7, 2008

4. What's Growing On The Underside Of My Cover

   By njmurvin, September 27, 2011
   • 4 replies
   • 1.8k views
   • 
   • njmurvin
   • September 28, 2011

5. What's The Best Online Store To Order Chemicals?

   By Kiz, December 16, 2008
   • 17 replies
   • 6.9k views
   • 
   • chem geek
   • April 4, 2010

6. What's The Step By Step To Bromine Treatment? 1 2 3 4 5

   By footie, September 21, 2010
   • 121 replies
   • 86.1k views
   • 
   • waterbear
   • June 20, 2022

7. What's The Story On Ionizers?

   By zoetman, December 17, 2007
   • 4 replies
   • 9.8k views
   • 
   • waterbear
   • December 18, 2007

8. What's Wrong With Bleach Manufacturers

   By SpeedAddict, December 18, 2015
   • 1 reply
   • 1.5k views
   • 
   • chem geek
   • December 19, 2015

9. What’s with the low Alk using Bromine?

   By Vegas, March 31, 2022
   • 4 replies
   • 1.7k views
   • 
   • Vegas
   • April 3, 2022

10. Whats Left In The Water After Mps,dichlor,bleach

    By tbradway, January 30, 2008
    • 3 replies
    • 1.8k views
    • 
    • chem geek
    • January 30, 2008

11. When Bromine Hits Zero .....?

    By salachic, February 7, 2015
    • 3 replies
    • 1.6k views
    • 
    • chem geek
    • February 8, 2015

12. When Do I Shock?

    By Dnepr Dave, August 14, 2008
    • 2 replies
    • 2.2k views
    • 
    • Whoneedsavacation
    • August 19, 2008

13. When Do You Change Your Spa Frog

    By waz, July 18, 2010
    • 1 reply
    • 1.3k views
    • 
    • waz
    • July 21, 2010

14. When filling my new spa with city water, how do I reduce the water's hardness if is out of range?

    By Davekro, January 7
    • 2 replies
    • 371 views
    • 
    • Davekro
    • January 8

15. When Is Bromine Too High?

    By shaner, April 21, 2012
    • 3 replies
    • 3.2k views
    • 
    • chem geek
    • April 23, 2012

16. When Sanitizer Drops To Zero

    By ncspa, August 28, 2008
    • 5 replies
    • 2.9k views
    • 
    • ncspa
    • August 31, 2008

17. When To Add Calcium?

    By simonc, January 7, 2010
    • 11 replies
    • 23.2k views
    • 
    • dashmer
    • January 24, 2023

18. When To Add More Bromine?

    By carl333, August 9, 2014
    • 1 reply
    • 1.4k views
    • 
    • chem geek
    • August 9, 2014

19. When To Add Mps - Before Or After Soaking?

    By PaulaME, March 12, 2013
    • 6 replies
    • 8.5k views
    • 
    • chem geek
    • March 16, 2013

20. When To Add Shock

    By PHEZ8050, March 15, 2009
    • 2 replies
    • 1.9k views
    • 
    • Kefbum
    • March 16, 2009

21. When To Add The Bromine

    By Ramjet38, January 4, 2006
    • 6 replies
    • 2.8k views
    • 
    • Ramjet38
    • January 6, 2006

22. When to add water

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

23. When To Adjust Calcium Hardness To Improve Csi?

    By freeradical, June 4, 2010
    • 6 replies
    • 4.7k views
    • 
    • freeradical
    • June 7, 2010

24. When To Drain/refill?

    By spidey9, January 14, 2013
    • 5 replies
    • 2.3k views
    • 
    • spidey9
    • January 20, 2013

25. When to get in after 3 step bromine process

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

26. When To Shock

    By sl3238, January 26, 2010
    • 9 replies
    • 3.5k views
    • 
    • chem geek
    • January 29, 2010