Hot Tub Water Chemistry

3,914 topics in this forum

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

   By Nitro, November 10, 2008
   • 174 replies
   • 250.1k views
   • 
   • waterbear
   • January 12

3. Decontamination 1 2 3 4 5

   By Nitro, March 30, 2009
   • 120 replies
   • 176.2k views
   • 
   • SteveOL
   • December 20, 2024

4. Dichlor/bleach EasyPeasy!

   By waterbear, October 30, 2024
   • 0 replies
   • 769 views
   • 
   • waterbear
   • October 30, 2024

5. False high pH readings when shocking--Some truths

   By waterbear, July 31, 2024
   • 3 replies
   • 1.1k views
   • 
   • waterbear
   • October 5, 2024

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

   By Nitro, December 12, 2009
   • 132 replies
   • 130.8k views
   • 
   • waterbear
   • May 8, 2024

7. Common Terms and Abbreviations

   By waterbear, May 8, 2024
   • 0 replies
   • 1k views
   • 
   • waterbear
   • May 8, 2024

8. Some truths on bleach dosing

   By waterbear, March 22, 2021
   • 17 replies
   • 12.4k views
   • 
   • waterbear
   • October 17, 2023

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

   By Itchy and Scratchy, February 10, 2011
   • 32 replies
   • 107.6k views
   • 
   • Sunnyangie
   • May 23, 2023

10. Some truths about pH and TA

    By waterbear, November 9, 2020
    • 4 replies
    • 10.7k views
    • 
    • DesertDorkus
    • May 21, 2022

11. Bromine use in spas

    By RDspaguy, July 31, 2020
    • 5 replies
    • 12.4k views
    • 
    • waterbear
    • September 20, 2021

12. How to use Bromine (3 step method)

    By waterbear, May 9, 2021   

    • howto
    • waterbear
    • (and 3 more)

      Tagged with:

      • howto
      • waterbear
      • hot tub santizer
      • 3 step bromine
      • bromine
    • 0 replies
    • 38.2k views
    • 
    • waterbear
    • May 9, 2021

13. Chlorine Demand 1 2

    By Nitro, February 11, 2009
    • 28 replies
    • 60k views
    • 
    • _Samuel_
    • April 7, 2020

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

    By waterbear, March 31, 2012
    • 0 replies
    • 20k views
    • 
    • waterbear
    • March 31, 2012

15. Leisure time Renew and Reserve system not keeping bromine levels

    By SDC04, Sunday at 07:01 AM
    • 1 reply
    • 19 views
    • 
    • waterbear
    • Yesterday at 07:27 AM

16. Bromine to the rescue

    By SteveOL, February 13   

    • bromine
    • 13 replies
    • 407 views
    • 
    • SteveOL
    • February 16

17. What happened? Sky high pH & FC; black/metallic residue below waterline.

    By NathanielT, February 10
    • 4 replies
    • 170 views
    • 
    • waterbear
    • February 15

18. CYA (Cyanuric Acid) build up in SPA water Problem SOLVED

    By Magicman71, February 11   

    • cholrine
    • alkaine
    • (and 4 more)

      Tagged with:

      • cholrine
      • alkaine
      • ph
      • water
      • acid wash
      • cyanuric acid
    • 1 reply
    • 121 views
    • 
    • waterbear
    • February 12

19. Painful lumps in armpits after first use of brand new hot tub

    By megan123, February 11
    • 0 replies
    • 104 views
    • 
    • megan123
    • February 11

20. Treating A Cedar Hot Tub

    By limulus, September 25, 2008
    • 11 replies
    • 7.3k views
    • 
    • GraceR
    • February 7

21. Help balancing pH / TA

    By bad-at-chemistry, January 30
    • 5 replies
    • 177 views
    • 
    • waterbear
    • January 31

22. 2006 test FC question

    By THE DUDE, January 28
    • 0 replies
    • 64 views
    • 
    • THE DUDE
    • January 28

23. CYA level way too high - new hot tub owner

    By Merocc, January 26
    • 7 replies
    • 194 views
    • 
    • Merocc
    • January 27

24. Looking for opinions on digital water testers

    By Sandy Wood, January 19
    • 3 replies
    • 200 views
    • 
    • THE DUDE
    • January 21

25. New spa: crystal-clear water with green tint

    By Borisgoodenough, January 6
    • 4 replies
    • 222 views
    • 
    • Borisgoodenough
    • January 19

26. Disposing of used test agents?

    By Sandy Wood, January 16
    • 3 replies
    • 116 views
    • 
    • waterbear
    • January 17