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My water is clear. Yay! Here is what I did: 1. Kept the SLAM going for two days past when it passed the overnight test 2. Shocked about 50% higher FC than recommended for my CYA 3. Brushed a lot 4. Backwashed and recharged my DE a lot Dunno which of these were the key, but my water is clear...

Well, yeah. That's exactly what I'm doing, regarding backwash. Question on that: when I add DE, I see a little come back out thru the jets. Is that normal, or does it mean there is a leak in my filter (I replaced the guts of the filter last year, so a leak would be surprising)?

Ok, I'll open it tonight after work, brush it and check the FC. I'm back washing the filter daily right now, dealing with this cloudiness. Normally like once a week. Not sure what my specs all are. I'll update my sig tonight.

Brushed the pool, left it open to the sun all day. By sundown we had: FC: 15.5 CC: 1.5 Covered pool. This morning: FC: 15.5 CC: 0.5 I assume that means I passed the overnight test. (Note: I've done the overnight test 3 times since I opened, and I always get no drop or 0.5 drop.) Cloudiness...

If you look at the right side you can see the liner fading into the cloudiness. The white drain is just barely visible (like the dot at the bottom of a CYA test tube ;) ) Hmm. That picture posted upside down.

Yes, I did a SLAM to open the pool. It met all the criteria except it never got crystal clear. I had a big pool party yesterday, tons of little kids, so I shocked it hard late last night. That's why it is at 30. I've been holding it around FC=5 for the past month. - - - Updated - - - I...

35000 gal (20'x40') in-ground, vinyl lined DE filter, running 24/7 FC 30 (just shocked, again) CC 0.5 Ph 8.2 CYA 50 TA 150 CH 20 Temp 75F Using Bleach, baking soda, borax 2 years now (Previously Baq for 15 years) I can see the bottom of the pool, but it is not as clear as it was last year. It...