Hot Tub Water Chemistry

3,722 topics in this forum

1. Black thin line

   By Canns, February 4
   • 0 replies
   • 199 views
   • 
   • Canns
   • February 4

3. Winter TA/PH battle

   By Scottie_In_IA_1981, January 27
   • 5 replies
   • 457 views
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   • waterbear
   • February 3

4. Bromine Tablet Loater (dispenser) for long term vacations

   By kiwi_outdoors1, January 30
   • 2 replies
   • 250 views
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   • Ahhsomeguy
   • January 31

5. Leisure Time PH Balance

   By Goozfraba, January 30
   • 0 replies
   • 187 views
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   • Goozfraba
   • January 30

6. Salt water hot tub is not making chlorine

   By Tubby333, January 28
   • 0 replies
   • 284 views
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   • Tubby333
   • January 28

7. important values?

   By martijndk1983, January 28
   • 0 replies
   • 277 views
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   • martijndk1983
   • January 28

8. Help: some chemical causing allergic rash from hot tub 1 2 3

   By Cassiemoreira, April 29, 2020
   • 72 replies
   • 6.3k views
   • 
   • waterbear
   • January 28

9. Mineral sticks. Blue or yellow for bromine water

   By Trev1968, November 12, 2021
   • 1 reply
   • 576 views
   • 
   • waterbear
   • January 27

10. Is there CYA in this Sanitizer?

    By rmcderm313, January 26
    • 2 replies
    • 245 views
    • 
    • rmcderm313
    • January 26

11. Hot springs freshwater salt system problems

    By Pamoloop, January 26
    • 0 replies
    • 230 views
    • 
    • Pamoloop
    • January 26

12. Spa Choice Liquid Reduce pH (26.27% Sodium Bisulfate solution)... How to convert to dry acid weight?

    By vande424, January 25
    • 0 replies
    • 210 views
    • 
    • vande424
    • January 25

13. Using Spa Purge before draining, noticed foamy water on fill

    By MDouglass, January 13, 2020
    • 5 replies
    • 1.6k views
    • 
    • Rob and deb
    • January 25

14. Green Water Line Slime and Foam

    By Nettie, January 20
    • 2 replies
    • 398 views
    • 
    • RDspaguy
    • January 24

15. White Powdery substance on sides and floating HELP!

    By kalgiers0525, January 10
    • 2 replies
    • 409 views
    • 
    • RDspaguy
    • January 19

16. Small amount of Antifreeze left in tub

    By Njhottub, January 13
    • 2 replies
    • 339 views
    • 
    • RDspaguy
    • January 17

17. Bromine level issues with floater and best shock?

    By JLB228, January 11
    • 2 replies
    • 579 views
    • 
    • Tehandyz
    • January 17

18. Question about calcium hardness

    By skyburn, January 8
    • 3 replies
    • 433 views
    • 
    • dashmer
    • January 14

19. Chlorine dose reduction with smaller spa?

    By homespaguy, January 10
    • 1 reply
    • 375 views
    • 
    • dashmer
    • January 11

20. Chemicals Help

    By Normski, January 8
    • 6 replies
    • 476 views
    • 
    • Normski
    • January 9

21. Coast spa leaking from filter housing drain hole

    By D Gross, January 5
    • 1 reply
    • 409 views
    • 
    • dashmer
    • January 6

22. Determining Ppm...

    By drewskie, December 10, 2009
    • 3 replies
    • 1.6k views
    • 
    • dashmer
    • January 2

23. Saltwater Spa Rusting?

    By westernk, December 11, 2021
    • 3 replies
    • 561 views
    • 
    • westernk
    • January 2

24. Issues with Foaming Water

    By dl657737, November 22, 2021
    • 10 replies
    • 978 views
    • 
    • geraldz
    • December 30, 2021

25. Frog @ease system?

    By eric61, December 21, 2021
    • 2 replies
    • 659 views
    • 
    • RDspaguy
    • December 22, 2021

26. Total Alkalinity and PH Question

    By Leonardo, December 19, 2021
    • 4 replies
    • 694 views
    • 
    • waterbear
    • December 22, 2021