Hot Tub Water Chemistry

3,825 topics in this forum

1. Pool salt or dead sea salt?

   By Tinkers, August 30
   • 3 replies
   • 519 views
   • 
   • waterbear
   • August 31

3. Wide swings in readings

   By Susanj, August 15
   • 2 replies
   • 457 views
   • 
   • waterbear
   • August 28

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

   By CedarWoman, August 26
   • 1 reply
   • 565 views
   • 
   • waterbear
   • August 26

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

   By TraceyM, July 29
   • 14 replies
   • 766 views
   • 
   • TraceyM
   • August 11

6. Cause of gasket failure

   By plannersteve, July 6
   • 4 replies
   • 742 views
   • 
   • RDspaguy
   • August 8

7. Change over from dry chlorine to liquid

   By Mandydon, August 5
   • 1 reply
   • 387 views
   • 
   • waterbear
   • August 5

8. Need help lowering alkalinity in swim spa

   By Redwagon240, July 3
   • 7 replies
   • 656 views
   • 
   • waterbear
   • July 30

9. Multiple purges with filter? And stuck jets

   By Jojalis, July 23
   • 1 reply
   • 467 views
   • 
   • Ahhsomeguy
   • July 25

10. what is this grey goo?

    By j_jones, July 14
    • 7 replies
    • 648 views
    • 
    • waterbear
    • July 21

11. Frustrated with new Spa

    By Jigstick, June 18
    • 8 replies
    • 777 views
    • 
    • waterbear
    • July 18

12. For a bromine spa do you really only need to add pure Sodium Bromide at startup?

    By BroMean, July 25, 2021
    • 7 replies
    • 1.8k views
    • 
    • waterbear
    • July 18

13. Yellow goopy flakes in clear water

    By Northern, July 13
    • 2 replies
    • 526 views
    • 
    • Northern
    • July 14

14. Need urgent help for fear of ruining my spa

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

15. Good chemistry

    By cpepp, July 12
    • 6 replies
    • 422 views
    • 
    • waterbear
    • July 13

16. High total Bromine readings

    By Gerardo, July 7
    • 1 reply
    • 366 views
    • 
    • waterbear
    • July 8

17. Dichlor/bleach method - combined chlorine?

    By Bouncycow, July 3
    • 4 replies
    • 406 views
    • 
    • Bouncycow
    • July 5

18. Dry Acid and Fresh Spa Fill

    By TexEd, July 4
    • 3 replies
    • 413 views
    • 
    • waterbear
    • July 5

19. 2 month storage

    By SJ Hart, June 12
    • 2 replies
    • 339 views
    • 
    • SJ Hart
    • June 14

20. Sticky Blue Stain at Waterline

    By RJRon, June 5
    • 3 replies
    • 534 views
    • 
    • RDspaguy
    • June 12

21. Dead Sea Salt

    By footie, April 14, 2011
    • 13 replies
    • 16.6k views
    • 
    • David Entwistle
    • May 28

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

    By AndyK2, May 25
    • 1 reply
    • 358 views
    • 
    • AndyK2
    • May 25

23. Bromine levels keep dropping to zero

    By curls, May 24
    • 1 reply
    • 456 views
    • 
    • curls
    • May 24

24. Bromine high and then disappears?

    By Charliesal77, May 9
    • 6 replies
    • 710 views
    • 
    • curls
    • May 23

25. Why do I have high Cyanuric acid in Bromine Spa? 1 2 3

    By spanewb, April 13, 2020
    • 60 replies
    • 11.3k views
    • 
    • EED
    • May 20

26. Blue Flakes

    By dmack, May 19
    • 0 replies
    • 379 views
    • 
    • dmack
    • May 19