Hot Tub Water Chemistry

3,565 topics in this forum

1. Why have CYA in a chlorine spa?

   By DougA, February 2
   • 1 reply
   • 129 views
   • 
   • waterbear
   • February 3

3. Saltwater spas--effectiveness & do they damage equipment or spa????

   By DougA, January 31
   • 2 replies
   • 151 views
   • 
   • waterbear
   • February 3

4. Frog @ease and Nature2

   By Ahoya06, February 3
   • 0 replies
   • 118 views
   • 
   • Ahoya06
   • February 3

5. Spa lungs

   By Lusa, February 1
   • 3 replies
   • 167 views
   • 
   • RDspaguy
   • February 2

6. Clear water BUT continual chlorine loss

   By SherryRae, January 24
   • 8 replies
   • 365 views
   • 
   • SherryRae
   • February 1

7. Taylor K2006 Test Kit - Good Canadian Purchase Option

   By dashmer, January 29
   • 0 replies
   • 168 views
   • 
   • dashmer
   • January 29

8. alkalinity keeps jumping

   By contact634, January 28
   • 0 replies
   • 90 views
   • 
   • contact634
   • January 28

9. Keeping Free Choline at 0.5--1.0 using Nature2 and MPS

   By DougA, January 28
   • 0 replies
   • 128 views
   • 
   • DougA
   • January 28

10. Water testing for spa?

    By DougA, January 25
    • 7 replies
    • 241 views
    • 
    • waterbear
    • January 28

11. pH Keeps Rising

    By Joanne78, January 28   

    • ph
    • alkalinity
    • (and 1 more)

      Tagged with:

      • ph
      • alkalinity
      • chemistry
    • 1 reply
    • 117 views
    • 
    • waterbear
    • January 28

12. Test strips vs. Taylor

    By Sarah M, January 27
    • 4 replies
    • 182 views
    • 
    • waterbear
    • January 28

13. Just Cleaned Filter, Now New Problem

    By brian, January 8, 2006
    • 8 replies
    • 3.1k views
    • 
    • Nfrisch37
    • January 27

14. UV-C vs Ionizer - Need opinions

    By dashmer, January 26
    • 3 replies
    • 163 views
    • 
    • dashmer
    • January 27

15. New Hot Tub Owner having 1 2 3

    By dayday1, January 13
    • 57 replies
    • 1.2k views
    • 
    • waterbear
    • January 27

16. New to hot tubs, possible silly question

    By James69, January 23
    • 9 replies
    • 265 views
    • 
    • RDspaguy
    • January 27

17. Suggestions for chlorine reading zero every day 1 2

    By orellius, December 4, 2020
    • 47 replies
    • 1.1k views
    • 
    • RDspaguy
    • January 27

18. Total chlorine high free chlorine 0

    By DdE, January 25
    • 2 replies
    • 115 views
    • 
    • waterbear
    • January 26

19. Help understanding clorimines please?

    By DougA, January 26
    • 1 reply
    • 103 views
    • 
    • waterbear
    • January 26

20. Normal PH / Low TA

    By nmiller0113, December 23, 2020
    • 17 replies
    • 1.5k views
    • 
    • nmiller0113
    • January 26

21. Nature2 stick in inline spa system????

    By DougA, January 14
    • 6 replies
    • 289 views
    • 
    • DougA
    • January 26

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

    By spanewb, April 13, 2020
    • 59 replies
    • 1.9k views
    • 
    • RDspaguy
    • January 21

23. Bromine Floaters - Need Advice

    By THill, July 12, 2012
    • 10 replies
    • 4k views
    • 
    • waterbear
    • January 21

24. Bleach/Dichlor Method and MPS

    By rmcderm313, January 19   

    • bleach
    • dichlor
    • (and 3 more)

      Tagged with:

      • bleach
      • dichlor
      • mps
      • k-2041
      • k-2006
    • 5 replies
    • 205 views
    • 
    • rmcderm313
    • January 21

25. Salt water system help

    By Rimmit, November 17, 2020
    • 5 replies
    • 285 views
    • 
    • Stealthfixr
    • January 21

26. Noob:How much pH Reducer to add?

    By jchannon, September 21, 2020
    • 11 replies
    • 306 views
    • 
    • Matt-17
    • January 19