Search results

  1. J

    Advise needed on pool cleaners

    I'm in Cyprus too, but got an auto cover for our pool, that it is closed most of the time. The cover is by far the best thing we did in our pool build, despite everyone, including the seller, trying to talk us out of it. It keeps most of the dirt out of the pool, mostly eliminates evaporation...
  2. J

    Green pool, here we go

    When you're SLAMing, there is no need for the FC measurement to be super accurate, so you can use a 5ml sample of pool water, each drop of reactant is equivalent to 1 ppm of FC. You can save reactants this way.
  3. J

    Best Way To Maintain Chlorine Levels During Times of Travel?

    I've in the past added a floater with a tablet or two to ensure some chlorine is added while I'm away. It will add CYA, but if you only use it for a few weeks every now and then, I don't see it as a real issue - just be aware.
  4. J

    Variable Speed Pump Recommendations for Energy Efficiency

    Thanks - my current pump is single phase single speed pump, I just ordered a variable speed pump that will be delivered in a couple of weeks. But if my existing pump had been 3 phase, this would have been a good alternative.
  5. J

    Variable Speed Pump Recommendations for Energy Efficiency

    Got any links to the VFD/inverter you purchased ?
  6. J

    SWG run time calculations assistance

    The extra ball valves are mainly there so I can isolate the circuit in case I need to remove the cell. If it produce bubbles, I don't see how it cannot produce chlorine. Are you sure, it is not because the FC is consumed faster than it can be produced ? You mentioned you had issues with...
  7. J

    SWG run time calculations assistance

    That is essentially how mine is plumbed in. is a video of my setup I recorded for the vendor as part of my debugging
  8. J

    SWG run time calculations assistance

    I've recently had similar issues with my SWG not producing anywhere near enough chlorine. After debugging with the manufacturer, we concluded that the issue was too high a flow rate through the cell. I too have a single speed pump, but I already had a bypass plumbed in, just the bypass valve was...
  9. J

    Deck Surface Drain for Auto Cover Pump?

    My channel has a 10cm x 10cm (4x4 inch) hole directly to the main drain for the house. No way a cover pump can overwhelm that...
  10. J

    Deck Surface Drain for Auto Cover Pump?

    I pump the water into the channel that the autocover rolls into, it has a drain for the water coming off the cover when rolled up, as well as rain water falling there.
  11. J

    Hi! from Greece

    Γεία σου Σταύρο Welcome to FTP, your english is good! Have you looked at Pool School - Trouble Free Pool, it is a great source of information.
  12. J

    How to Best cool down pool with a heat pump? Cover on or off?

    I have my cover on at all times when we’re not using the pool, mainly to reduce evaporation and keep it clean. But as far as cooling, evaporation cools, so if the main goal is cooling you might be better off with the cover open. If you experiment, please let us know what you find.
  13. J

    How to Best cool down pool with a heat pump? Cover on or off?

    I don’t run my pump for more than a few hours a day, I find if I run it during the day, then the pool temperature increases, if I run it at night it decreases. I imagine that running it during the day, means the surface water under my autocover that is heated by the sun is constantly getting...
  14. J

    Inconsistent bleach quantity to FC increase in PoolMath

    Thanks for that, it is pretty hot here, day time peak temperature between 35-42 degrees C (95-107F) the past few weeks, average across day and night for the past two weeks is just under 30 degrees (86F). So for sure it will have lost strength - probably I'll assume it is 10-12% instead going...
  15. J

    Inconsistent bleach quantity to FC increase in PoolMath

    It is not obvious to me why I have increased chlorine demand, I suspect I might have the beginning of an algae bloom, I've been losing 4-5 ppm of FC a day, when my normal is in 1-2 ppm range. I use an opaque safety cover, so the loss due to UV is minimal, especially as we usually use the pool...
  16. J

    Inconsistent bleach quantity to FC increase in PoolMath

    Thanks for checking the numbers!
  17. J

    Inconsistent bleach quantity to FC increase in PoolMath

    Thanks for looking. Attached a photo below, it says 150 gram/litre, I assume that is 15%, however even if it is less it doesn’t explain why two different pages of PoolMath gives different results. However it can explain why I didn’t see as large an increase in FC as I had expected.
  18. J

    Inconsistent bleach quantity to FC increase in PoolMath

    In the FC page, it will use the volume of your pool, not my pool. Doesn't that explain the difference ? Not sure I follow. Above you said you saw different number, here you're saying you see the same as me. Did I misunderstand ?
  19. J

    Inconsistent bleach quantity to FC increase in PoolMath

    It is my best estimate - but even if it was wrong, it is the same volume used in both cases, so the result should be the same. To be clear, I'm not asking why I didn't measure close to 16 FC when I re-measured. The difference can be for several reasons like - Incorrect volume, if my pool is...
  20. J

    Inconsistent bleach quantity to FC increase in PoolMath

    I’m using PoolMath for iOS on my iPhone. I started a slam this morning as I have higher than usual chlorine demand, despite the water being clear. I started with FC 1.5 and with a CYA of 40 the slam target is 16, for my pool it said that would be 3.3 litres of 15% chlorine like I checked about...
  21. J

    SLAM without proper test kit

    I originally got a Taylor K2006 test kit from a company in Spain, but I cannot find the link now. A bit of googling found K2006 on ebay and K2006C on Amazon (spanish) The Taylor 2006 test kits are available in Europe.
  22. J

    How Clear is TFP Clear? Let's See (Pics Please).

    Our pool, apart from a little dirt on the bottom for the robot to handle soon, it is clear as glass. TFP really works!
  23. J

    Hi from southern Italy!

    Lovely pool and view. Welcome to TFP!
  24. J

    After recent update, PoolMath forgets partially entered measurements

    Just to close on this, there was an App update in the iOS App store today, and after applying it, things are back to normal. Thanks!
  25. J

    After recent update, PoolMath forgets partially entered measurements

    Yep, that is my workaround. But I have to remember to save before I change app, otherwise it is gone. I see Leebo said in the next reply that it is something that can hopefully be fixed. With a bit of luck I’ll remember to save until then.
  26. J

    After recent update, PoolMath forgets partially entered measurements

    Hi, After a recent update, I'm seeing that I lose partially entered measurements if I change to a different app. This is the iPhone iOS version of PoolMath. I usually change to a different app, e.g. Chrome browser, to get the water temperature, but doing so causes PoolMath to forget any...
  27. J

    Natural marble & calcium noodles

    Thanks! I'll be careful going forward.
  28. J

    Natural marble & calcium noodles

    Got the TF100 kit out and redid the test, still see purple before eventually it turns blue. Redid it again and recorded a video It eventually turns blue after 26 drops, but it was purple from around 19-20 drops. This was a 10ml sample so the 6-7 drops corespondents to a 150-175 range, or...
  29. J

    Natural marble & calcium noodles

    It is possible, but I find it surprising if that is the case. The concrete shell is cast in one piece with a water proofing mixed in the concrete (https://www.penetron.com.cy/index.php/el/pds/542-penetron-admix-pds-eng/file), it was then treated with a water proofing layer before the marble...