Hey BBBB (The 4th one is Bretheren)
Got a friend who's finally tired of being pool stored. He's got a ~ 16000g irregularly shaped IGP, vinyl liner, that he acquired with a foreclosure house he bought 2 years ago.
Last year, he argued and fought with it, spent thousands at the LPS, and eventually got it "clear" with a whopping giant dose of "shock" and then "maintained" it with pucks all year.
This year he's unable to keep it clear for more than a day or so...it just keeps "turning green", and he's already $300 into the LPS, and is tired of it. His most recent efforts have included dumping a bunch of stuff to "get rid of metals" and a boatload of pucks and shock into the thing, to no avail. He researched online and found out about "chlorine lock" and that's when he called me. He's seen our sparkly BBB pool, and decided he doesn't care what it takes any more, he's ready for a trouble free pool.
SO...I've offered to help. We started today by taking my TF 100 over to his place.
The numbers that matter:
CYA : 100+. My estimate is 120, but obviously the lines stop at 100, so i may be off. Tested this 3 times, came out right around 120 each time, so I'm pretty confident in this number.
pH : 7.8
FC : 8-10 - tested this 3 times as well, got 17 drops, 19 drops, and 21 drops the 3 times. I know very high levels of CYA and FC can make this test a bit flaky at times, so I'm going to go with 9.
CC : 1.0 (Really kind of expected this to be a bit higher)
Pool condition : Pale green, unable to see the bottom of the 4' area.
Our plan so far :
1) Buy a TF 100. Not tomorrow, not when he got around to it, but tonight. Immediately, if not sooner. He assured me one would be on the way ASAP.
2) Drain 1/3-1/2 of the pool (I told him to drain as much as he felt comfortable draining without worrying about his liner, but no more than half, since we're not sure about the water table there) and refill. The goal here is to get the CYA down to 60-70 or so, where things are at least a bit more manageable. Heck, I'd even take 80.
3) Stop throwing things into the pool, dangit.
4) Starting Wed/Thurs, with a refilled pool and armed with a TF-100, we're going to learn the shock process, and shock this thing back to health snad sparkly goodness.
5) Send him to Pool School!
So...2 questions for you masters?
First...am I missing anything? I don't think I am, but I want to avoid any gotchyas.
Second, I KNOW he's used copper-based algae treatments in there. What is our best plan of attack to address whatever copper may remain in the water?