Recent content by jdjeff

  1. J

    ORP and Ozone

    Right, nevermind. I'll just turn the ozone up and sniff the sweet, sweet smell of watermelons. [cough...cough]
  2. J

    ORP and Ozone

    Thaks, that is all very helpful and interesting. I'm not actually trying to do anything. I'm just curious after seeing a lot about ORP and chlorine and the different factors that need to be taken into account, and just wondered how it would apply in an ozone situation. As I mentioned, above...
  3. J

    ORP and Ozone

    Again, not being argumentative but just trying to understand. 1) So I could use, in a completely ozone pool, an in-line ORP/PH meter to automatically turn on the ozone when the ORP gets below the target threshold? That assumes that the ozone would ever get me to that threshold but I assume if...
  4. J

    ORP and Ozone

    Reasonable minds can differ (to a limited extent) on your last point. I use ozone plus a very light residual amount of chlorine. My saturation index is right, ph is right, TA and CH are right, FC is right, the pool looks and feels excellent, no algae. I was just curious about the uses of ORP...
  5. J

    ORP and Ozone

    More for geekiness than anything else, is it useful to utilize an ORP meter to determine the ORP in a pool that is primarily, but not exclusively, ozone based (plus a bit of chlorine as a backup). In other words, is ORP an absolute that represents the ORP irrespective of the various oxidizing...
  6. J

    Just bought an Ultra-Pure Ozonator

    You are right about the UV. No nitric acid and works well in humidity and without air prep. The tradeoff is in the amount of ozone produced. There are a number of studies out there that talk about the production of ozone for pools and the amount required and methods for sanitation (almost...
  7. J

    Ozone is a nice option to have

    I've updated my profile with the pool info. The oxygen concentrator is part of the system (the concentrator, vacuum break, dryer, etc... are contained within one relatively small housing). The contact tank was extra but not very much, and the whole thing cost less than 9xxx dollars.
  8. J

    Ozone is a nice option to have

    It is still disinfecting in addition to oxidizing, but given its limited half life, you don't want to pour so much in that appreciable quantities are escaping the pool surface. Very few systems that would be installed in a residential popol are capable of this, though, and even with some...
  9. J

    Ozone is a nice option to have

    I'm sure over some extended period of time it would have worked to some degree. It just works better and easier with the ozone. No doubt about it. I don't have algae, I don't have dirt that settles on the walls and floor. I just have extraordinarily clear, soft water with a minimum of fuss...
  10. J

    Ozone is a nice option to have

    Hmmmm, I should have been clearer. I didn't keep the chlorine at .5 ish while the ozonater was down. I don't recall what levels I used exactly but used the tables to figure it out. Also shocked the pool several times and had to adjust ph and total alkalinity a bunch. I adjusted for CYA but...
  11. J

    Just bought an Ultra-Pure Ozonator

    .4 grams an hour is I believe way below what would be useful in a pool that size. .4 grams is probably the rating under ideal conditions, which none of us every really have. Mine produces 8 grams an hour for a 27k gallon pool and that is just about right for that size but I use it as a...
  12. J

    Ozone is a nice option to have

    I use a Clearwater Tech A8e ozonator and an 80 gallon contact tank. 8 grams an hour of ozone with the oxygen concentrator. I keep a residual amount of chlorine of around .5ppm (or as close as I can reasonably get it) and my chlorine demand is very low. My oxygen concentrator went out and I was...
  13. J

    Aeration does what?

    Very interesting, although for the OP I'd be concerned that there is something wrong with his ozone setup that is causing big bubbles of ozone to be coming out of the returns. That would be, uhm, sub-optimal.
  14. J

    salt water vs. ozone purification

    I managed a very large commercial pool for a long time that was poorly designed (making every aspect of taking care of it 10x harder than it should have been) and swore that when I did a pool for myself I'd make it as clean and easy as I could. I can't say that it is worth it, other than it is...
  15. J

    salt water vs. ozone purification

    Sure, although it will only confirm my lunacy. Around 8500 for the Ozone system (Clearwater Tech) including holding tank, etc... and I think around 7500 for the infloor.