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  1. CrystalSun

    Spa Essentials - Spa Shock Xtra

    Saw that so why does it say on bottle "this product is not a sanitizer? In pool math how do I calculate effects of adding this product. I believe regular dichlor is 99%
  2. CrystalSun

    Spa Essentials - Spa Shock Xtra

    I bought it to do dichlor then bleach method. Was delivered today. Active ingredient, Sodium Dichloro-S-Triazinetrione 58.2%. Is this dichlor? Why does it say on bottle "this product is not a sanitizer?
  3. CrystalSun

    SWG indoor Spa - CYA Level

    After skimming through this post I got the feeling that for SWG's the CYA should be higher?
  4. CrystalSun

    SWG indoor Spa - CYA Level

    Saw that for indoor pools. Same with SWG?
  5. CrystalSun

    SWG indoor Spa - CYA Level

    So I read this and I see recommended CYA level for outdoor pool is 70-80 Same for indoor spa?
  6. CrystalSun

    Mikvah

    You are right and that's why a woman's mikvah is much easier to maintain. The issue is with a mikvah men use What would the CYA help in an indoor mikvah?
  7. CrystalSun

    Mikvah

    It’s definitely not equal to a spa. Was just the best example I was able to think of. Another thing that differentiates it from a spa is that due to the high bather load the water needs to be balanced/adjusted every day and if it’s being done manually and you wait at least half an hour between...
  8. CrystalSun

    Mikvah

    You can soak in it as long as you’d like to although typically people don’t spend more than 10 minutes inside. The filter can be ON. What you said would be true if there are only a few users but a Mikvah with high bather load there’s a demand for adding sanitizer while filter is OFF or you have...
  9. CrystalSun

    New to Bromine

    Please CMIIW but with chorine/bromine it’s not so accurate to figure out dosage by measuring how much sanitizer is in the water after introducing it into the water as you can’t know how how much was depleted by organic waste etc. Re CC. In a Mikvah/spa that’s being used by approx 30 people in...
  10. CrystalSun

    New to Bromine

    Yes
  11. CrystalSun

    New to Bromine

    Thanks for your time dlleno. The reason I find it difficult -guesswork- is because due to my question below I think that MPS would be what I wanna use to oxidize and I haven't seen an exact formula to figure out how to dose MPS
  12. CrystalSun

    New to Bromine

    How much CYA?
  13. CrystalSun

    New to Bromine

    Thanks for clear response! How do you figure out dosage of MPS? I'm afraid of getting bromine too high as my spa -Mikvah- is used every day but on the other hand don't wanna go low...
  14. CrystalSun

    New to Bromine

    Thanks for reply. I have the feeling that chlorine is much simpler, you can figure out exactly how to dose by doing some calculations vs bromine + MPS where there's a lot of guesswork till you can figure it out. But what made us think of switching to bromine is that some claim that it's not as...
  15. CrystalSun

    Mikvah

    A Mikvah is used by Jewish people as a ritual bath. I’d say that it’s similar to a hot tub. It’s interesting to me that on a forum with so many members a search for “Mikvah” didn’t bring up more that 2 results. I have one and would like to hear the experts advice on the best way to maintain. A...
  16. CrystalSun

    New to Bromine

    Hi, Wife if pushing to try bromine. Read How do I use bromine in my spa 1. What are the advantages of bromine over chlorine? 2. After creating a bromide bank. Oxidizing with MPS. How do I measure dosage? Thanks so much for all information
  17. CrystalSun

    Klean Strip Green Muriatic Acid

    On the kleen strip website it seems that it's 20% hydrochloric acid. Please correct me if I am wrong. Isn't hydrochloric acid the same as MA?
  18. CrystalSun

    Where do I Start?

    Thank you for clarifying the TA testing I have a lot of aeration so I tend to hold my TA low so the pH doesn't climb
  19. CrystalSun

    Where do I Start?

    Thanks for your response! I took it as 45 because I'm unsure if it's 40 or 50 Pool if fully tiled.
  20. CrystalSun

    Where do I Start?

    :D I have a tiled pool
  21. CrystalSun

    Where do I Start?

    Thanks so much for your response! Yes, water is beautiful. So I guess will raise CYA first. What should be my next step. CH?
  22. CrystalSun

    Where do I Start?

    Hi all! Thank you so much for everyone contributing to this great forum. My test results are below. What do I correct first? I think CYA. What do the experts say? FC 7 CC 0 PH 7.5 TA 45 CH 50 CYA: Less than 20
  23. CrystalSun

    Help. Can't stabilize pH with normal alkalinity

    Sodium Thiosulfate itself has a high pH
  24. CrystalSun

    Cloudy/Milky Pool. Is My Filter Too Small?

    Happy I'm just a "little" crazy :D With my current 225 filter I had to clean the cartridges daily to clean up the algae so I thought I'll get the monster and once in 5 days will be enough if the green guest show up in the future... Just to confirm. Could anything possibly go wrong with an...
  25. CrystalSun

    Cloudy/Milky Pool. Is My Filter Too Small?

    We won! Thanks everyone! - - - Updated - - - I just ordered a Hayward C7030 725 SQFT cartridge filter. Am I crazy for getting such a big monster?
  26. CrystalSun

    Cloudy/Milky Pool. Is My Filter Too Small?

    Question, If my piping doesn't allow flow greater than -let's say- 60 GPM. Would I gain anything from a larger filter (other than longer periods between cartridge cleaning)?
  27. CrystalSun

    Cloudy/Milky Pool. Is My Filter Too Small?

    Thanks so much for all responses! Here's some improvement :)
  28. CrystalSun

    Cloudy/Milky Pool. Is My Filter Too Small?

    how about raising just the calcium to get it a little better?
  29. CrystalSun

    Cloudy/Milky Pool. Is My Filter Too Small?

    Thanks for all responses! Amazing website, good people! I'm afraid I shouldn't lose everything I gained the past 11 days in terms of slamming. My CYA is at 55-60 so I believe I'm at the right FC level. Are you saying I should raise my PH before the TA? I couldn't test my PH before...
  30. CrystalSun

    Cloudy/Milky Pool. Is My Filter Too Small?

    Thanks man! My water was only six weeks old and we're up to day 11 of slamming and it's still not clear so I believe that's too long. Am I right? Yes, it is a tiled pool. Can I work on my TA while FC is that high? I'm afraid that raising the TA will bring up the PH too high but I won't be able...