Hope you're there Marie ??

[stma]

Wow...this is a delicate dance between FC and green !!!...As of this morning, Water is finally holding FC overnite, but the metals fell out again...The ONLY thing I did different was to shut down the filter last nite.....Does pool water with metal issues need to be pumped 24/7 ?? I turned the pump back on and i'll see if the stains dissipate

Numbers:
FC: 3
CC: 0
PH: 7.2
Alk: 90
CYA:30
temp: 81

[Skillset]

I am having similar issues with metals. My FG pool was stained upon opening and I used the Ascorbic acid treatment (followed by Metal Magic) which removed every sigle stain. But, when Cl was raised accidentally, stains came back w/a vengeance and 60% of the pool was covered! Used Metal Magic again, which unbelievably cleared the entire pool. I was impressed. But, stains started forming again just 3 days later, despite a lower cl and lower ph. I'm scratching my head.

I'm in the process now of figuring out what works. Marie and Waterbear suggested some Calcium in the pool, which I did. Marie was also using Metal Out from Waterwarehouse, which I bought.

I've been using Extra Strength Metal Out for a few days now and it has not removed the stains - it lightened some stains but did not remove them. So, for the stains that I have, I think the Metal Magic works better. I'm out of the stuff right now and have ordered more this week. Pool is stained right now - I'd say 20%.

I also had some stain problems last year, but not as bad as this. I probaly used about 3-4 quarts of Metal Magic all season. Again, the Metal Magic is clearing the pool - but I don't want to be burning through a quart of this stuff every week! My CYA was 30 and I am in process of bringing it up to 50. The CYA level is is the only difference really from how I kept the pool last year.

I'd love to be able to have a stain-free pool and use a weekly maintenance dose, but I really find I have to use a lot of product to get rid of the stains.

Perhaps running at a higher CYA and a higher Cl, it will help. My ph is pretty consistent at 7.2. I know higher Cl has been stated to bring stains out, but perhaps with CYA, maybe less so. I only say this from my experience last year.

[mbar]

I know how frustrating it is A couple of seasons ago, I kept the stain dance going. Last year I hardly had any stains. This year I had a lot of stains at the beginning, but now I haven't had any bad ones since putting in some ascorbic acid. I do find that using pucks or calhypo seem to add to stains. I have my cya at around 60 now. I am still not sure why sometimes the sequestering agent works, and sometimes the stains keep coming back no matter how much is in there. Every time I see some stain start, I take my ph back down, add some sequestering agent and they go away. I try to keep my chlorine at the level of the best guess chart. It is a balancing act, and sometimes the stains don't come off with the sequestering agent. I then just add some ascorbic acid around the perimeter of the pool and they disappear without taking the water out of balance (just lowers the ph a bit). I do keep my filter running 24/7, I think it may help with staining, but not much. I wish I could be of more help, but it is just not an exact science. I will keep trying to find out what works, and if everyone with stains posts what works for them we can learn from each other.

[stma]

As the day wore on (cloudy but warm), the CL dissipated as expected ALONG WITH the green tint !!!...once the green disappeared, I check the CL which read 1.5-2...

just dumped a qt of 6% which should raise it to just above 4ppm...i'll see what happens...

[szampino]

How is it going?

When you get a chance post an update.

Please include full water make up,fc,cc,tc,alk,ph,cal,cya. Please also include your Pool size, liner, and filter type.

[mbar]

Yes, I would be interested to see if the stain came back with the additional chlorine. It is how we all learn It is always good to post a current set of numbers

[stma]

Perhaps because it's Father's Day, things are looking up for me...Got POUNDED with rain last nite (sure you saw the same Marie), and thought i'd wake to a nitemare...Fortunately the CL held it's own over-nite...The same 5ppm yesterday was the same 5ppm this AM...Sun is on the pool now, so I'll see how much I lose through the course of the day...Water never "tinted" green after the Clorine addition, so maybe I'll be OK.....Rain DID raise the PH to 7.8 though...

as for the specs:
18 ft round/ sand/ vinyl/ 7600 gallons
FC: 5
CC: 0
TC: 5
PH: 7.8 (acid added minutes ago)
ALK: 90-95
CYA: 30-35
CAL; 130

taking your cue, It's just ONE THING at a time for me !!....have not had the need to use additional metal out as the water appears to "clean-up" on its own after clorine additions...... However. my days of 'hard" shocking may be at an end...anytime more than 2 qt. of bleach is added, the water tints green....(In the past, I never thought twice about dumping 2 gallons at a time to "clear" things up).

So far, so good.....Thanks for asking....