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  1. benavidescj

    SpeedStir Question

    Yes, you can use it for all mixing tests. I put the water in, then turn it on to put in the testing reagents. It is a wonderful tool!
  2. benavidescj

    cya reagent numbers

    The letters after the R0013 are just sizes. You can use any of them. Here is a list: R-0013-A 0.75oz R-0013-C 2oz R-0013-E 16oz R-0013-F 32oz R-0013-G Gallon
  3. benavidescj

    Can't Raise Chlorine Level After (2x) Stain Treatment

    I am doing the AA treatment right now as well. It will take some time to burn up the AA with chlorine. Give it some time. You will have to anyways because you don't want to shock right after doing an AA treatment.
  4. benavidescj

    sand in water... your opinion please

    How often do you test your pool water? How do you test it? I got a hunch you may have algae clearing up and just happens you got the chemistry right just before you took your sample to the pool store.
  5. benavidescj

    Newbie with some questions

    Appears you have algae according to your CC reading of 2.5. Raise your chlorine level to 26ppm and follow shocking directions in pool school.
  6. benavidescj

    Heart rate monitor and swimming

    The problem is actually that the HRM shorts out in the salt environment due to the high conductivity of the water. The communication between the HRM and watch is possible since the transmission frequency of 5kHz is well within the range of radio wave transmission under saltwater. There are...
  7. benavidescj

    Heart rate monitor and swimming

    This was posted on Amazon by a user that bought the same FT7 unit: "- Water Resistant. I have used this HRM in the pool and the monitoring is relatively accurate when it actually reads the transmitter. I believe the Polar website notes that in some highly chlorinated pools or seawater the...
  8. benavidescj

    Will Phosphates increase chlorine demand?

    For the benefit of newbies, I have to say that believe what you like, but I would think that if you want to be well rounded in you line of business you would want to gain a COMPLETE understanding of what is going on. That way if confronted by any situation you would have the complete knowledge...
  9. benavidescj

    Will Phosphates increase chlorine demand?

    Swimcmp, I am shocked that you have never seen a pool that cannot maintain chlorine without elevated phosphate levels with the 60-70 customers you say you have. I have one pool, mine, and it will drop to 0 chlorine if not monitored. I have always had low phosphate levels below 125ppb except...
  10. benavidescj

    Will Phosphates increase chlorine demand?

    Well, I never did add the phosphate remover. The chlorine demand (or lack of chlorine production by the SWCG) seems to have gone down on it's own. So now I am thinking that the Poly is what was causing the issue all along. I also think that the loss of chlorine demand with the addition of...
  11. benavidescj

    Will Phosphates increase chlorine demand?

    Jason, one thing to recall is that chlorine demand only went away when phosphate remover was used in the presence of poly. This means one of two things. Either the phosphates were the issue or the interaction with poly. Since I added phosphates, even though it was with metal sequestrant which...
  12. benavidescj

    Will Phosphates increase chlorine demand?

    I tried to find out what exactly the Taylor K-1106 phosphate test is testing for but all it says is "phosphate". This is the test kit I am using. The previous time when the phosphate level was high, be it orthophosphate or some other variant the phosphate remover lowered the level as tested by...
  13. benavidescj

    Will Phosphates increase chlorine demand?

    I never made an assertion. I simply asked a question based on initial observations to others that may have more knowledge than myself. After 3 pages of interaction with you and other members as well as some initial testing on my part it is apparent that phosphates alone do not have an...
  14. benavidescj

    Will Phosphates increase chlorine demand?

    Chem geek, I don't appreciate how you approached your response. Apparently you think I am a chemist and have somehow disgraced the profession. I am not a chemist. I did not use the 0-20-0 to spite you, I simply wanted to recreate the previous results using the EXACT same chemicals I used...
  15. benavidescj

    Will Phosphates increase chlorine demand?

    I can say with certainty that the combination of Suncoast All In One Algaecide and Suncoast Chemicals Salinity Stain Control has at least some effect on the SWG's ability to produce chlorine. I continue to lose 3 -4 ppm chlorine per day. My next step is to add the phosphate remover and see if...
  16. benavidescj

    Will Phosphates increase chlorine demand?

    I think adding the polyquat may have done it. I used Suncoast All In One Algaecide. Composition is Poly [oxyethylene (dimethyliminio) ethylene (dimethyliminio) ethylene dichloride] 60%, inert 40%. I did not have to add chlorine through the whole test until last night when the FC fell to 3.5...
  17. benavidescj

    Will Phosphates increase chlorine demand?

    Second step of testing completed. Dropped pH down to 6.8 NO noticeable increase in chlorine demand with this step. Next step is to add polyquat. Using the same thing I did before Suncoast All In One Algaecide. Composition is Poly [oxyethylene (dimethyliminio) ethylene (dimethyliminio)...
  18. benavidescj

    Will Phosphates increase chlorine demand?

    First step of testing completed. Added phosphates using Suncoast Chemicals Salinity Stain Control. As near as I can tell the current level of phosphates is approx 2000 ppb. I had to dilute the Taylor K-1106 test 4 to 1. NO noticeable increase in chlorine demand with this one step. Next step...
  19. benavidescj

    Will Phosphates increase chlorine demand?

    You are correct that one bottle (1 qt) is only good per 10,000 gallons per the instructions on the bottle. When I went to the store to pick it up the guy told me I did not need to go by the instructions on the bottle. He said they have a chart that they go by that tells them how much to put...
  20. benavidescj

    Will Phosphates increase chlorine demand?

    Ok, I went out and bought some more sequestering agent. The sequestering agent I used before is called Suncoast Chemicals Salinity Stain Control. It is just phosphoric acid. My plan is to add the whole bottle (1 qt) like I did before. If that does not do anything I am going to drop the pH...
  21. benavidescj

    Will Phosphates increase chlorine demand?

    The cell lights were all green the entire three weeks. My understanding of what the tech did (I was not there, but asked) is that he took the cell off the line and inserted it into a bucket with salt water. He then turns it on and checks the chlorine level of the resulting water. I took...
  22. benavidescj

    Will Phosphates increase chlorine demand?

    The pH dropped to about 6.8 during the AA and I slowly brought it up to 7.2 over three days and phosphate approx 1000 - 1500ppb. Right now the pH is 7.5. Borate level is about 10. After cleaning the cell I was not getting any chlorine in the pool. I think I called the technician about 3 days...
  23. benavidescj

    Will Phosphates increase chlorine demand?

    I thought about that also, and after about two weeks of the no chlorine issue I took the cell off the line and cleaned it. It was pristine before I started and there where no bubbles at all during the process. Here are my levels taken during the three weeks: Test Results: Water: clear FC: 4...
  24. benavidescj

    Will Phosphates increase chlorine demand?

    For the three weeks I was manually dosing because the SWG was obviously not keeping up if producing at all. I was checking my chlorine 1 or 2 times per day because I was worried about dropping below minimums. During the three weeks I was trying different things. One of the things I tried was...
  25. benavidescj

    Will Phosphates increase chlorine demand?

    I did not assume it would be a short time, I was just going by what Chem Geek said just below your post above, "If there was leftover ascorbic acid, then that would certainly create a chlorine demand, but it would be very fast so you wouldn't be able to add chlorine and pass the overnight...
  26. benavidescj

    Will Phosphates increase chlorine demand?

    Wanted to clarify a few things after reading all of your replies. 1. When I say that the SWG appeared to not be producing any chlorine after the treatment, I am talking about not producing chlorine for three weeks. I am aware that the ascorbic acid treatment will cause a demand in chlorine...
  27. benavidescj

    Will Phosphates increase chlorine demand?

    I thought is was algae also. I would swear to it. That is why I did 3 separate overnight tests. All of them were negative. I do not see how I had any algae if all the overnight tests were always negative.
  28. benavidescj

    Will Phosphates increase chlorine demand?

    Yea, anyone know? I will do it go put this to bed.
  29. benavidescj

    Will Phosphates increase chlorine demand?

    Thanks for the replies. In another post I described how I had an issue with my SWG after doing a ascorbic acid treatment. The cell appeared to not be producing any chlorine after the treatment. I had Pentair come out and check the unit and they stated that the unit was producing chlorine...
  30. benavidescj

    Will Phosphates increase chlorine demand?

    I am aware that maintaining the proper level of chlorine for CYA level will keep algae at bay. What I would like to know is does increasing the level of phosphates in the water increase the demand for chlorine. I am aware that phosphates do not directly cause a demand as they are stable in the...