Love this place. Thanks for all the info. I've read up numerous times since last year (or the year before?) and have a general handle (I think), but would like some help if possible. I've been shocking for the last couple of days, but the water hasn't turned grey and cloudy yet. Still green and cloudy. Also, my FC level seems to be holding fairly well. In fact, it went up on the last reading I took without adding anything?!! The only difference I know of is I took the reading from a different point along the wall and a few inches deeper.
Here are my readings from today (using the K6000 kit):
7:30 a.m.: FC =14, CC = 1, CYA = 27
10:45 a.m: FC = 12, CC = 0 (sun shining on pool)
12:45 p.m. FC = 15, CC = 0 (it allegedly went up without adding anything!)
Here's some more background. We have a buried AG 24' diameter, 14500 gal pool with a 1.5 HP pump and sand filter. Late last summer, I got hit with a combo punch of a leak somewhere and an algae outburst. Well because of the leak, I wanted to let it drain down until it stopped, so I could hopefully find the leak (no luck, but I know where it stopped). And of course during this time, the water was too low to run the filter. By then summer was done, so I added bleach to get up to shock level for a while (no filter) and I think I pretty much closed the pool that way.
So a few weeks ago (we're in Minnesota "ya know" ), I took the winter cover off to a dark brown swamp. I scooped leaves for several days, and got the water level back up so I could start the filter. I ran it that way for a few days before starting to shock because I wasn't sure how many more leaves were at the bottom. Then I started to "pseudo shock" before and after work (forgetting I should hit it hard and often at first and because I wasn't sure the brown was algae - kinda to see what happens). Then Friday I got more serious doing it at morning, noon, and night. And yesterday morning I woke up to FC of 8.5.
Anyway, I am now to a dullish green color. And the biggest problem is my wife thinks it's not going fast enough and wants to add some "Green to Clean" diammonium stuff or get a "professional" here to do it. I am hoping that soon she will be a BBB convert! So, I'm confused on the FC readings and why it hasn't gone totally grey and cloudy yet.