Hot Tub Water Chemistry

3,853 topics in this forum

1. Pool salt or dead sea salt?

   By Tinkers, August 30, 2023
   • 5 replies
   • 1.1k views
   • 
   • waterbear
   • February 3

3. Do you leave the center band on the filter?

   By CedarWoman, August 26, 2023
   • 1 reply
   • 1k views
   • 
   • waterbear
   • August 26, 2023

4. Wide swings in readings

   By Susanj, August 15, 2023
   • 2 replies
   • 614 views
   • 
   • waterbear
   • August 28, 2023

5. Change over from dry chlorine to liquid

   By Mandydon, August 5, 2023
   • 1 reply
   • 443 views
   • 
   • waterbear
   • August 5, 2023

6. Just refilled, No chemicals added and numbers are all looking good? What do I add?

   By TraceyM, July 29, 2023
   • 14 replies
   • 1.1k views
   • 
   • TraceyM
   • August 11, 2023

7. Multiple purges with filter? And stuck jets

   By Jojalis, July 23, 2023
   • 1 reply
   • 554 views
   • 
   • Ahhsomeguy
   • July 25, 2023

8. what is this grey goo?

   By j_jones, July 14, 2023
   • 7 replies
   • 966 views
   • 
   • waterbear
   • July 21, 2023

9. Yellow goopy flakes in clear water

   By Northern, July 13, 2023
   • 2 replies
   • 882 views
   • 
   • Northern
   • July 14, 2023

10. Good chemistry

    By cpepp, July 12, 2023
    • 6 replies
    • 707 views
    • 
    • waterbear
    • July 13, 2023

11. High total Bromine readings

    By Gerardo, July 7, 2023
    • 1 reply
    • 425 views
    • 
    • waterbear
    • July 8, 2023

12. Cause of gasket failure

    By plannersteve, July 6, 2023
    • 4 replies
    • 1.1k views
    • 
    • RDspaguy
    • August 8, 2023

13. Dry Acid and Fresh Spa Fill

    By TexEd, July 4, 2023
    • 3 replies
    • 521 views
    • 
    • waterbear
    • July 5, 2023

14. Need help lowering alkalinity in swim spa

    By Redwagon240, July 3, 2023
    • 7 replies
    • 898 views
    • 
    • waterbear
    • July 30, 2023

15. Dichlor/bleach method - combined chlorine?

    By Bouncycow, July 3, 2023
    • 4 replies
    • 468 views
    • 
    • Bouncycow
    • July 5, 2023

16. Need urgent help for fear of ruining my spa

    By Son goku, July 2, 2023
    • 8 replies
    • 948 views
    • 
    • waterbear
    • July 14, 2023

17. Frustrated with new Spa

    By Jigstick, June 18, 2023
    • 8 replies
    • 1k views
    • 
    • waterbear
    • July 18, 2023

18. 2 month storage

    By SJ Hart, June 12, 2023
    • 2 replies
    • 417 views
    • 
    • SJ Hart
    • June 14, 2023

19. Sticky Blue Stain at Waterline

    By RJRon, June 5, 2023
    • 3 replies
    • 837 views
    • 
    • RDspaguy
    • June 12, 2023

20. Sodium Bromide and MPS vs Bleach (in Canada)

    By AndyK2, May 25, 2023
    • 1 reply
    • 442 views
    • 
    • AndyK2
    • May 25, 2023

21. Bromine levels keep dropping to zero

    By curls, May 24, 2023
    • 1 reply
    • 663 views
    • 
    • curls
    • May 24, 2023

22. Blue Flakes

    By dmack, May 19, 2023
    • 0 replies
    • 497 views
    • 
    • dmack
    • May 19, 2023

23. Adding metal free to initial start up on hot tub

    By Jeannie0226, May 11, 2023
    • 1 reply
    • 403 views
    • 
    • dashmer
    • May 12, 2023

24. Bromine high and then disappears?

    By Charliesal77, May 9, 2023
    • 6 replies
    • 1.1k views
    • 
    • curls
    • May 23, 2023

25. Jimmyhotspring

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

26. Chemical suppliers

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