Hot Tub Water Chemistry

3,722 topics in this forum

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

   By Vegas, March 31
   • 4 replies
   • 480 views
   • 
   • Vegas
   • April 3

3. Yellow Aid / Yellow Algae Killer To Create Bromide Bank

   By jer_conn, June 13, 2019   

   • sodium bromide
   • bromine
   • 1 reply
   • 868 views
   • 
   • MrSpaNewbie
   • March 29

4. Help - White Water Mold or Perhaps Mustard Algae?

   By dashmer, March 6
   • 13 replies
   • 711 views
   • 
   • dashmer
   • March 28

5. Low alkalinity and high pH

   By Susanj, March 13
   • 3 replies
   • 486 views
   • 
   • waterbear
   • March 27

6. In Waterbear we trust

   By Aussie Chris, February 27
   • 1 reply
   • 545 views
   • 
   • waterbear
   • March 26

7. Sundance Cameo Query

   By TwistyRoad, March 21
   • 0 replies
   • 176 views
   • 
   • TwistyRoad
   • March 21

8. Chemicals Sourcing

   By Rask, March 16
   • 1 reply
   • 318 views
   • 
   • Cusser
   • March 17

9. Magnesium (Epsom Salts) In Hot Tub 1 2

   By studmaster, November 2, 2012
   • 27 replies
   • 49.5k views
   • 
   • Fred S.
   • March 14

10. A few spa water questions after reading Stickied and other threads

    By DownEastSpa, February 3
    • 13 replies
    • 839 views
    • 
    • DownEastSpa
    • February 27

11. What is the other non active/listed ingredients in Spa Guard Enhanced Shock 58% Sodium dichloro-s-triazinetrione?

    By john206, February 27
    • 0 replies
    • 264 views
    • 
    • john206
    • February 27

12. Bromine level always zero

    By rocket04, December 18, 2021
    • 8 replies
    • 939 views
    • 
    • waterbear
    • February 27

13. Spa Purge Product Comparison

    By dlleno, July 24, 2016
    • 11 replies
    • 4.6k views
    • 
    • MikeOnline
    • February 26

14. What made my bromine go through the roof?!

    By Tehandyz, January 17
    • 4 replies
    • 392 views
    • 
    • dlleno
    • February 25

15. Irritation / Cough After Using Hot Tub - Cause?

    By Drags, October 8, 2012
    • 11 replies
    • 5.8k views
    • 
    • Lauren1990
    • February 24

16. Just want to double check something

    By 187penguin, February 20
    • 1 reply
    • 419 views
    • 
    • 187penguin
    • February 21

17. Chlorine - Free Oxidizer Other Ingredients?

    By MnBdub1981, February 18
    • 3 replies
    • 421 views
    • 
    • RDspaguy
    • February 19

18. Poppits Making Me Sick?

    By mgrobins, June 21, 2014
    • 9 replies
    • 2.6k views
    • 
    • waterbear
    • February 16

19. Allergic to MPS

    By Bubblytubby, February 11
    • 1 reply
    • 316 views
    • 
    • waterbear
    • February 16

20. Keeping FC stable with chlorine tablets

    By xszaszax, February 11
    • 2 replies
    • 255 views
    • 
    • waterbear
    • February 16

21. What am I doing Wrong?

    By MnBdub1981, February 13
    • 6 replies
    • 406 views
    • 
    • waterbear
    • February 15

22. Vanishing act pillow calcium problem.

    By martijndk1983, February 13
    • 0 replies
    • 264 views
    • 
    • martijndk1983
    • February 13

23. Question on water odor - Extreme newbie here

    By BoSox9, February 11
    • 1 reply
    • 255 views
    • 
    • Ahhsomeguy
    • February 12

24. Deliberately higher CYA to reduce maintenance frequency

    By RouteVegetable, February 5
    • 6 replies
    • 487 views
    • 
    • waterbear
    • February 11

25. High ph after 30mins of new water

    By James portugal, February 7
    • 5 replies
    • 491 views
    • 
    • James portugal
    • February 9

26. Yellow/white slimy flakes in my hot tub (Giant but break down easy)

    By Jessmzam, June 8, 2021   

    • hottub
    • calcium
    • (and 2 more)

      Tagged with:

      • hottub
      • calcium
      • biofilm
      • water
    • 5 replies
    • 1.3k views
    • 
    • Cusser
    • February 5