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  1. mbar

    Pool Stain Identification Help

    You can crush up some vitamin C tablets put them in a sock and rub it on the stain - if they lighten then they are mineral stains. You can also try some dry acid (ph down) in a sock - it will not fade the stains as quickly as vitamin C which is ascorbic acid. If the stains lighten then you can...
  2. mbar

    Is this Normal?

    Could be, but I did try some Sea Clear clarifier before that, so who knows? Water can sometimes be a mystery to me :wink:
  3. mbar

    Is this Normal?

    I was having the same problem at the beginning of this summer. My free chlorine was losing about 1ppm overnight, but since I live in the woods I considered it ok. I kept my chlorine level at the high side of shock levels for my cya. I don't normally use algaecide, so I just kept the...
  4. mbar

    viking fiberglass pool

    Try adding some metal out, while keeping the ph at 7.0 - it should lighten up the stains. If not, then wait till you have a problem with your water, and you have to rebalance anyway. One thing when dealing with a fiberglass pool is to make sure that your ph doesn't go above 7.4 - if you have...
  5. mbar

    Used vitamin C, still some rust marks

    My pool is 16 1/2 ,000 gal., and I used about 4 bottles of sequestering agent and about 5lbs of citric acid. After the stain treatment (three weeks ago) I have added about 4oz. of sequestering agent a week. I also used alagacide. My numbers are: FC - 4 CC- 0 PH- 7.2 Alk- 80 Cal- 200 CYA- 30...
  6. mbar

    Used vitamin C, still some rust marks

    Yes, the citric acid does take a little more, but it is so much cheaper. The stain doesn't disappear quite as quickly as with the ascorbic acid, but after being on recirculate for 2 hours you can tell if you need more. I also found it easier to rebalance my water after the citric acid this...
  7. mbar

    Used vitamin C, still some rust marks

    Are you sure it is a metal stain? If the ascorbic acid does not take the stain away, it may be organic. When you did the stain treatment did it all go away the first time, or was there some stian left? If it is metal, and a big area then I think that using the Magic Eraser would be too much...
  8. mbar

    The Stain is everywhere!

    Pink goop? It may be pink algae, which is a bacteria - make sure you take the chlorine up to shock (according to your cya) and keep it there checking on it 3x a day bringing it back to shock levels every time. The faster and harder you hit the algae, the faster the water will be ready to swim...
  9. mbar

    The Stain is everywhere!

    When you did the Jacks Magic stain kit, which one worked on the stain? If the ascorbic acid didn't work right away on the stain, then the stain is something other than iron - perhaps copper :cry: I know when I did the stain kit (many years ago) there were three different tests. I don't have...
  10. mbar

    Used vitamin C, still some rust marks

    Thanks Waterbear! I don't really read the forum too much, busy with grand babies :-D , but I will answer any questions about staining - just pm :) Hope you are having a great start to summer everyone! By the way I used citric acid this year instead of ascorbic cause it really got expensive...
  11. mbar

    Used vitamin C, still some rust marks

    I would try to remove the rust stains with a Mr. Clean magic eraser first. I usually don't bother with ascorbic acid with rust stains, because it messes with the chemistry of the water too much. If you only have rust stains, and not an all over pool stain, it is not worth doing the ascorbic...
  12. mbar

    The Stain is everywhere!

    You don't want to bring the chlorine up until all of the stain is gone - but if you want to swim, then you need to have the pool sanitized. However, the stain will sometimes lift with the sequestering agent if the ph is very low. The way stain is created is that when there are metals in the...
  13. mbar

    The Stain is everywhere!

    Sometimes the sequestering agent does get the pool a little cloudy. Just make sure you have enough chlorine in the water for the amount of cya you have. You don't want to start an algae bloom. As long as the chlorine is good, then you can let the kids swim. None of the ascorbic, sequestering...
  14. mbar

    All stains not gone after StainFree - AA treatment

    Try keeping the ph at 7.0 to 7.2 and add more sequestering agent - try jack's magic, metal magic, sequasol, or some other metal "remover". Sometimes different sequestering agents work better at certain times. I don't know why, it just happens. Put the pump on recirculate overnight. See if the...
  15. mbar

    The Stain is everywhere!

    It really does seem to be a metal stain. Another thing you can try is to lower the ph to no higher than 7 and add some more sequestering agent - this will lift stain too. I know that the ascorbic acid gets really expensive, so if you want to save some money you can get the citric acid from the...
  16. mbar

    The Stain is everywhere!

    What is your calcium level and cya level? Did you try rubbing some of the ascorbic acid on the stain? You may need to add some more ascorbic acid and put the filter on recirculate overnight. Sometimes if the stain has been there for a long time the ascorbic acid needs more time to work...
  17. mbar

    Ascorbic Treatment to rid Pool of metal stains

    Sounds good! Sometimes the stains are stubborn and you need a little more. The fact that your ph didn't go too low is a sign that you needed more acid in the water, but sometimes it takes a little time to get the ph low, therefore the waiting a day before you add more ascorbic acid. The low...
  18. mbar

    Ascorbic Treatment to rid Pool of metal stains

    You can put your filter on recirculate and let it just circulate overnight. See how it looks in the morning - if it isn't all gone, add more acid. Let us know how you do :-D
  19. mbar

    Refinishing a fiberglass pool

    I am pretty sure it can be sandblasted, then re-gelcoated. I don't think you did any damage to the structure of the pool, just the surface. Although I am not a professional. All of the research I have done on fiberglass, is that it is very tough, and most problems are with the finish. I will...
  20. mbar

    shocking after Ascorbic Acid Treatment??

    No, you will have to take it up to shock levels, and hope that the stains do not start to reappear. I would bring my ph down to 7.0, slowly bring the chlorine up to shock with bleach - and look for stain starting to reappear. If you see stain, add more sequestering agent, but keep taking the...
  21. mbar

    shocking after Ascorbic Acid Treatment??

    You can add some polyquat algaecide too if you haven't already. Some clouding is usual though, so don't worry too much.
  22. mbar

    Cloudy pool

    First, you have no cya - which will let the sun eat your chlorine up almost as soon as the sun hits it! It is no wonder you can't hold chlorine. You need to get some stabilizer in there or use stabilized chlorine (like trichlor pucks) right away. Stabilizer doesn't show up right away in the...
  23. mbar

    Fiberglass Pool Stains

    hmmm, good post JimCar71. Thanks for the update. I liked metal magic, but never did do it the way you described. I have used Jack's Magic this year (the blue stuff ) which seems to be working better. I got stains back after the Doheney's metal out, so I tried Jack's Magic. I will try the...
  24. mbar

    Guess this stain

    It may be algae growing under the liner - which is not good. I know that when there is high levels of chlorine in the water it sometimes lightens these stains, but not for long. There is no way to get rid of it except for getting something under the liner to kill it. I know there are some...
  25. mbar

    New pool, iron problems etc.

    As long as you have enough metal sequestering agent in the water, you can start to bring up the chlorine. Do this slowly. Add a cup (or more if you have a large pool) of bleach at a time waiting about 1/2 hour in between each dose until you get up to your minimum chlorine level for the amount...
  26. mbar

    Removing Metals

    Getting the metals out is one thing - but finding out how they get into the pool is another. If you are sure that you know how your water got metals, then you can do a drain and refill, or something like the link that chemgeek posted. However, if you have well water, or a fiberglass pool that...
  27. mbar

    sight glass filled with algae

    The site glass is removable on my filter. I would suggest that you do a backwash with shock levels of chlorine in your water - it should kill the algae. Make sure you run your chlorine at shock level according to your cya level until it holds overnight. If there is algae in your site glass...
  28. mbar

    Ascorbic Acid Treatment

    I am sorry but I don't have any personal experience with copper staining. I am not sure if the ascorbic acid would take the black copper stains off. I do know that if you have to use certain treatments for copper and you have a heater you do have to bypass it. Doing the ascorbic acid...
  29. mbar

    shocking after Ascorbic Acid Treatment??

    When you do the ascorbic acid treatment it sometimes takes a while to hold chlorine levels. This is the chlorine eating up the remaining ascorbic acid. You need to make sure there is enough sequestering agent in the water to bind with the metals that were lifted off the surface of the pool and...
  30. mbar

    Fiberglass Pool Stains

    I feel your pain :( , I know how frustrating it is to deal with staining. I really can't answer your question. It has happened to me, where all of my numbers are good, and the stains keep coming back. It is all trial and error - mostly trial :? . I think there are sometimes more substances...