Search results

  1. N

    How much CYA is ok for your health?

    Thanks. And a nice touch with the "Hejsan" :-D //Thomas
  2. N

    How much CYA is ok for your health?

    :) Thanks for a great reply. Sounds right except I do have an ozonator. Sounds ok. I'm probably going to exchange water at least every two months then. It only takes two hours so no biggie. I have changed water every month for awhile now.. :oops: Thanks for the great answer. :) //Thomas
  3. N

    How much CYA is ok for your health?

    Hi folks. I own a 380 gal spa and I'm using dichlor as primary sanitizer along with HS silver-ION cleaning. I cannot go with the "dichlor then bleach method" since Klorox is not available where I live. I found clorine but the concentration is only 3.75% and PH is 13. (I'm in Sweden) So...