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  1. DanF

    What now? Chlorine and pH questions

    Yes, or the Taylor K-2006C. It doesn't really matter as long as it's the same time of day. Determine your target FC based on your CYA level and add enough bleach to reach that, then check again ~24 hours later. You'll get to know your pool's daily FC usage and then you'll be able to dose...
  2. DanF

    What now? Chlorine and pH questions

    I agree with everything @tim5055 said. Only change I would make would be to test CYA a little more frequently at first, maybe weekly. This is because you've been using tablets and will want to monitor CYA closely to keep it in range. I no longer use tablets exclusively either, but I do use...
  3. DanF

    Pentair Warrior SE - length of power cord and Aux power control

    Maytronics Dolphin S200 also.
  4. DanF

    Need to Backwash Prior to Replacing DE Grids?

    Thanks. Followed your advice and it made cleaning out the filter tank much easier. I assembled the new grids into the manifold and saved a few that looked good for spares just in case. Put everything back together, including a new pressure gauge from TFTestkits. All is working great now...
  5. DanF

    Need to Backwash Prior to Replacing DE Grids?

    Title says it all :) I purchased a new set of grids and wondering whether I need to backwash before taking out the old ones and and replacing them. I guess backwashing might make the grids a little lighter, but could I instead just hose the old grids off instead? Just looking to avoid...
  6. DanF

    Hairnet dealies

    Yep! I guess I had to see for myself!
  7. DanF

    Hairnet dealies

    Yep. That's what I had to do. Same here. I discovered hairnets and robotic cleaners this year, and since I've been using both, my DE filter pressure hasn't moved. Normally I would have backwashed about 3x by now. One unintended consequence of hairnets: I was losing DE out of my filter...
  8. DanF

    pH meter

    Agree. I would think that distilled would be better than tap, since they have you rinse in distilled. LOL. Make sure you read (like I did not) that you can re-use the calibration fluid. I dumped mine the first two times I calibrated and now I need to buy more.
  9. DanF

    pH meter

    I bought the PH60 a few weeks ago after realizing I couldn't accurately match colors using the comparator. i am happy with it so far. It seems that, for testing pool water ONLY, you dont have to calibrate using the 4 pH or 10 pH standards, only the 7. Another member contacted Apera about...
  10. DanF

    Which Stenner pump....10 or 22gpd?

    Why the increased precision? Is it because you can rely on the lower strength percentage being more accurate over time? I've read the same, but I can't find it right now. As far as distilled water I have also read (and can't find right now) that distilled water is preferable for Cl dilution...
  11. DanF

    My Stenner install complete!

    Thanks for posting the details of your Stenner install. I'm getting the itch, but won't be able to pull the trigger until September. I don't think your plumbing job looks bad at all. Instead of re-plumbing you could always spray-paint the PVC. Question; In an earlier post you contemplated...
  12. DanF

    Stenner Install Replacing Jandy SWG

    Thanks for sharing your install, @poolneophyte. I'm looking for a way to automate adding chlorine to our pool. I like the way your pump attaches to the tank. Did you consider housing the pump in a weather-proof enclosure? Not sure how that would work with your tank.
  13. DanF

    To De or not to De?

    @Niteowl the way my 2-speed pump works is...if I set the timer to have the pump run on "low" speed first, it powers on at "high"speed first (for 5 minutes) then dials back to "low" automatically.
  14. DanF

    pH measurement accuracy

    Thanks from me also. Just purchased a PH60 recently and had the same question. Of course I didn't read the manual where it said the calibration fluid could be re-used, so I was dumping mine post calibration. Now I'm out :mad:
  15. DanF

    Trichlor and Liquid Chlorine experiment!?

    Yep. 8.1 on my wife's package scale!
  16. DanF

    Trichlor and Liquid Chlorine experiment!?

    I believe a 3" trichlor tab is 8 oz, but now you got me wondering. I'm gonna weigh one here shortly.
  17. DanF

    Hello from Arizona.

    I've heard that's it OK to drain a pebble-tech pool in the summer here on AZ, but not plaster. You may want to look into that. Regardless I wouldn't drain if did not absolutely have to. Like @mknauss says, get your CYA and FC up and you should be OK. Your pool is not holding the FC your SWG...
  18. DanF

    How do i know if i'm generating Chlorine?

    Man i'm learning a lot on this thread, and I don't even have an SWG! @dconnest I think you should leave the SWG off, since you are still losing 2 ppm overnight, unless I'm missing something. You've made great progress so far!
  19. DanF

    Trichlor and Liquid Chlorine experiment!?

    Exactly - that's because the 154 ppm of FC in my example above would last (at 3 FC/day) no more than 51 days; likely a lot less because of the high CYA. But the 93 ppm CYA would be there for a long time. Another downside of tabs is that I really don't know when I'm getting that 4.4 ppm...
  20. DanF

    Trichlor and Liquid Chlorine experiment!?

    Beat me to it!
  21. DanF

    Trichlor and Liquid Chlorine experiment!?

    Good points above. As an alternative to having to know the chemical composition of trichlor, I went to PoolMath for @Dtkokay's pool. 35 lbs of trichlor would raise generate 154 ppm in a 25K gallon pool. Cost is $76. It would take 38.5 gallons of 10% bleach to generate 154 ppm. That cost would...
  22. DanF

    Minding my CSI, but still scaling in SWG

    Interesting thread. I abandoned my SWCG a few years ago for the same reason: constant need to de-scale the cell, and frequent need for cell replacement. Of course, my local Leslie's used that opportunity to sell me some purple Beau-Tec stuff which didn't work that well. I may be looking at...
  23. DanF

    Trichlor and Liquid Chlorine experiment!?

    LOL. I think the moral of the story, at least in the SW deserts, is that they can certainly co-exist if needed. The actual balance/ratio between the two can be up to the individual. If trichlor is used, more frequent CYA testing would be required, at a minimum to ensure that the trichlor is...
  24. DanF

    Trichlor and Liquid Chlorine experiment!?

    Thanks Marty - I totally get it. It's just that 1) I have a pretty good supply of pucks from my pre-TFP days that I'm trying to use up, and 2) I have to figure out a way to get my maintenance time down, especially in the summer when we tend to go away a lot. Hence the research on the...
  25. DanF

    Trichlor and Liquid Chlorine experiment!?

    I know this is an older thread but it addresses a few points I've been thinking about. I was searching for Rola-Chem as a way to lessen the maintenance of adding LC daily, and as a way to make going on extended vacations (like up to a month) easier. I really do believe that in the AZ deserts...
  26. DanF

    DE amount after backwashing

    You should backwash when your filter pressure is 25% higher than your "clean" pressure - the pressure after you take a part the filter and clean off the grids. For example, my clean pressure is 12 psi, so I backwash at 15 psi. I believe your filter is a 48 square foot filter. The rule of...
  27. DanF

    Salt Cell Troubles

    Congrats! I can't imagine doing the FAS/DPD test at 28 ppm FC - that's 56 drops right? I'd lose count and have to start over again - and again. :cool:
  28. DanF

    Best Places to Buy Liquid Chlorine

    Sounds good...yeah your pool is twice the size of mine so you'd go through it faster. Can't believe HD doesn't offer the 3 pack in the Phoenix area. :mad:
  29. DanF

    Best Places to Buy Liquid Chlorine

    Seems like a good idea, but I have a few questions: Don't you folks worry about the chlorine deterioration with that quantity? Especially if HD stores it outside prior to delivery? Where do you folks store the jugs while at home? Are you able to see the manufacturer date prior to ordering?
  30. DanF

    AZ pool owners - Where to buy inexpensive liquid chlorine?

    This is what I am currently using. Not sure where in the Phoenix area you are but there is an AM Corson's in Gilbert that has the jugs and carrier. Prices are what @proavia quoted. You will use a little less chlorine/day if you switch to the 12.5%. For your 20K gallon pool. a half gallon of...