Hot Tub Water Chemistry

3,817 topics in this forum

1. Some truths on bleach dosing

   By waterbear, March 22, 2021
   • 14 replies
   • 8k views
   • 
   • Cusser
   • July 5

3. Please Learn From My Mistakes And Medical Bills. 1 2

   By Itchy and Scratchy, February 10, 2011
   • 32 replies
   • 102.3k views
   • 
   • Sunnyangie
   • May 23

4. Dichlor/bleach Method In A Nutshell 1 2 3 4 6

   By Nitro, December 12, 2009
   • 130 replies
   • 109.2k views
   • 
   • DaveP
   • May 7

5. Some truths about pH and TA

   By waterbear, November 9, 2020
   • 4 replies
   • 7.9k views
   • 
   • DesertDorkus
   • May 21, 2022

6. Decontamination 1 2 3 4 5

   By Nitro, March 30, 2009
   • 119 replies
   • 130.2k views
   • 
   • rightcoastgirl
   • October 24, 2021

7. Bromine use in spas

   By RDspaguy, July 31, 2020
   • 5 replies
   • 9.2k views
   • 
   • waterbear
   • September 20, 2021

8. How to use Bromine (3 step method)

   By waterbear, May 9, 2021   

   • howto
   • hot tub santizer
   • (and 3 more)

     Tagged with:

     • howto
     • hot tub santizer
     • 3 step bromine
     • bromine
     • waterbear
   • 0 replies
   • 12.3k views
   • 
   • waterbear
   • May 9, 2021

9. Lowering Total Alkalinity 1 2 3 4

   By Nitro, April 3, 2009
   • 90 replies
   • 192.9k views
   • 
   • mscdman
   • April 15, 2021

10. Nitro's Approach To Water Maintaince 1 2 3 4 7

    By Nitro, November 10, 2008
    • 171 replies
    • 221.1k views
    • 
    • Fingerstank
    • March 29, 2021

11. Chlorine Demand 1 2

    By Nitro, February 11, 2009
    • 28 replies
    • 54.7k views
    • 
    • _Samuel_
    • April 7, 2020

12. Lowering Total Akalinity Howto, Not Just For Pools!

    By waterbear, March 31, 2012
    • 0 replies
    • 18.5k views
    • 
    • waterbear
    • March 31, 2012

13. Cloudy water in Nordic Crown XL

    By NanaJ, Saturday at 05:11 AM
    • 1 reply
    • 38 views
    • 
    • waterbear
    • Saturday at 03:24 PM

14. pH vs. Alkalinity

    By SMaguire, Friday at 05:13 PM
    • 1 reply
    • 54 views
    • 
    • waterbear
    • Friday at 10:27 PM

15. Help… bright yellow film on sides of hot tub. Can’t get water balanced and ready to list on Craigslist :(

    By TraceyM, August 31
    • 15 replies
    • 332 views
    • 
    • TraceyM
    • September 9

16. Pool salt or dead sea salt?

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

17. Wide swings in readings

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

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

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

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

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

20. Cause of gasket failure

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

21. Change over from dry chlorine to liquid

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

22. Need help lowering alkalinity in swim spa

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

23. Multiple purges with filter? And stuck jets

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

24. what is this grey goo?

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

25. Frustrated with new Spa

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

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

    By BroMean, July 25, 2021
    • 7 replies
    • 1.5k views
    • 
    • waterbear
    • July 18