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  1. M

    Question re Removing Metals from Filter Using Acid

    After doing a metal stain removal treatment, adding a sequesterant and re-balancing pool I am have a daily struggle with the stains reattaching to the pool surfaces. Each time this has happened the pH has been at 7.2 or below and my FC level has been at 5-6 with a CYA of 70. The instructions for...
  2. M

    CSI Following Stain Treatment

    Having just successfully completed a metal stain removal treatment I am very mindful that I must continue to add a maintenance dose of sequester, keep my pH on the low side (not to go above 7.2 for the next fortnight and would like advice on whether to keep it there for good) and that I should...
  3. M

    A "Shocking" Cautionary Tale & Advice Needed Please

    Hi all. Just a brief background……..I knew the pool required a salt top-up as I couldn’t raise the SWG above a certain level, and we’ve recently had some good rain (yay for our drought and dust bowl town). I also knew my CYA would be low. Due to family and other commitments I’ve been busy with...
  4. M

    Need Guidance on Use of Pool Cover

    Living in the country of “Droughts & Flooding Rains” Australia, we are currently experiencing a very severe drought which has led our regional council to enforce water restrictions. On the first of October we will no longer be allowed to top-up our swimming pools unless we "have a cover in...
  5. M

    Variable Speed Pump Recommendation Please

    Due to high running costs we want to replace our existing single speed pump for a variable speed pump. We are aware our existing pump is too powerful for our pool however at the time it was purchased we thought we had a 45,000 litre pool. Based on our pool specs in my signature can someone...
  6. M

    What is this and why is it rusting?

    Could someone please tell me what this is and it's purpose? Also, why would it be rusting..................... and I'm guessing it may be adding metals to my pool water, would this be correct? Would appreciate any advice, thank you.
  7. M

    Build-up on Salt Cell

    I have been following TFP method since July 2017 and my pool water has never looked better or been as easy to maintain. However, I have an issue with the build-up of a white substance on my salt cell. This cell was installed in October 2015. Here is a photo of the build-up as at 24/04/17...
  8. M

    Found a source of metal staining in our pool – may be helpful to others!

    Hello everyone, I just wanted to share this with you all. I have had ongoing issues with metal staining in our pool. Following my last stain removal treatment in May 2017 I have been using an HEDP sequestrant, first as an initial dose, then 250ml per fortnight. However as brown rusty stains...
  9. M

    Acid Strength?

    Hi, could somebody please tell which acid strength this equates to in Pool Math? Thank you
  10. M

    Is this the way to calculate SWG FC production?

    Hi all I’m trying to calculate the 24hr SWG FC production of my Salt Magic Self Cleaning Chlorinator by Klorman Watertech. They sell 2 models of this type - a 25gram version model WTSM25 (mine) suitable for pools up to 90,000 litres and a 40gram version model WTSM40 suitable up to 150,000...
  11. M

    My "Water Balance Thesis"

    Hello members of TFP! After finding you guys earlier this year I have become somewhat addicted to your site. I really appreciate the knowledge and confidence I have gained with managing our pool. We have owned this pool for 22 years and as of last year I have taken over the care of it. This...
  12. M

    Does cold water temperature affect SWG output%?

    It is winter here in Australia and my pool water temperature is 10 degrees C. My Taylor Salt Test K-1766 gives me a salt reading of 4200ppm. My SWG's ideal salt level is 3500ppm. I've been experimenting with run-time/output% and have discovered I cannot set my chlorinator any higher than...