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My current DE filter is way overdue to be replaced. It wouldn’t surprise me if it was the original that was installed with the pool over 30 years ago. I’ve read quite a bit about the pros and cons of DE and cartridges, but was hoping for some opinions on my specific setup. Here are the main...

Perfect. Always a good day when you can learn a few things :)

One more question. I assume I should backwash prior to adding the CYA? Hoping that is my last BW for awhile.

Took your advice. CYA is probably not 0, but right around 20. pH I’m already slamming so came up 8.2. Let’s assume it’s right around 7.4-7.5 I’ve had recently. 10 minute test revealed I was about 2 FC lower than target. Maybe I’m not great at judging ounces. Added more. I am happy to report...

Got CH up to 150 and saw almost no change in foaming. Then, my FC which had been right around 5 for 2 days without bleach addition dropped to 0 last night 😮 So back to SLAM for me. Added two gallons to bring FC up to 10 and topped off before bed. 9 hours later, FC down to 0 again 😮. We did...

I’ll scratch blaming the Polaris. Adding the calcium chloride and brushing also created the Milky Way :)

So I retested because I saw the test was intervals of 25. It was two drops so I do have 50. Still low, and I have some calcium increased on hand from previous owner, so I’ll raise it up a bit.

The leak is on the pressure side, not suction side like I had originally typed. So I ran the Polaris for less than five minutes and the foam, which was minimal, has quadrupled. The bubbles on startup seemed to disappate, but foaming is there after taking it out. I’m starting to wonder if it’s...

I had a local company close to pool, and honestly. I’m not sure which products they may have used. Antifreeze definitely, but not sure which brand/type unfortunately. Algaecide was just a guess eliminating other causes. One other thought, I used a Danco silicone grease for the o-rings. Seemed...

Guess my questions would be can algaecide stay suspended in water over the winter? Could pollen, flowers, leaves etc. add enough bad things to cause foaming? I made the mistake (and you only make it once) of adding splashless bleach. It’s not as slick looking as that, but it got pretty sudsy...

Thanks for the reply. To clarify, last Sunday meaning 9 days ago. And noted on the TA. It was 40 before adding some soda ash. Will supplement with baking soda as needed. CH was about 20, but I don’t pay too much attention with a vinyl liner.

I opened my pool to a green swamp as usual last Sunday. I’ve completed my SLAM, but still have some foaming. It’s minimal on normal operation, but gets really agitated with the Polaris running. I have only used HTH liquid chlorine (I did supplement with 4 trichlor pucks last week), HTH DE...

Thanks for the reply and clarifications. Do you think there will be any problems removing the suction side with glue on the outside, or just give it a good turn to loosen?

I have a minor suction side leak from the elbow coming out of the pump. There’s plumbers tape visible, so I’d like to remove and clean it up. I’m handy enough to do some basic indoor plumbing, but haven’t worked with pool plumbing yet. My setup is a bit old, and I don’t want to risk messing...

Thanks to everyone, I now have a crystal clear pool! Turned out the iron diagnosis was correct. After my FC finally drifted down, I added two quarts of HTH Metal & Stain Defense and was clear by the afternoon. Thanks again!

Paper towels were still white. Kinda perplexing.

I'm leaning in that direction. I have an old metal filter that may have some rusting inside. Still have the same coloration and running the Polaris now after keeping the manual vac there all day yesterday. I also have old brownish staining I inherited on my skimmer that I assumed was from algae...

We’re on municipal, but I haven’t had to add any water yet.

That is fading unfortunately due to a combination of age and a mishap with some chlorine tabs. There is virtually no dirt at the bottom. I have manually vacuumed the last two days and brushed daily the last five. I can’t isolate the main drain, only main and deep end skimmer. The vacuum idea is...

I have vacuumed the last two days. I have a return jet, main drain, and skimmer in the deep end. There is also another return about mid way that I direct more towards the deep end. I do keep debating myself whether it's cloudy or discolored. Here's an additional pic of each end (I know it'...

OK, but if the water is tinged green, but there doesn't appear to be much surface staining, then it should just filter out, or should I use a sequestrant? For the CYA, I dissolved in a bucket of water for about 36 hours and added directly to the pool (I will use sock method next time).

Thank you for the quick reply! I just re-tested CYA, and it is 30. I waited a day after adding the stabilizer, but perhaps it hadn't circulated enough. The water is clear IMO. I can see the main drain in the deep end. I don't know what plumbing runs underground, but everything I visible...

This is my second year opening my inherited pool, but the first by myself. I opened to a swamp, the same as last year. Using TF-100, TA 70, pH 7.4, CYA 20, CH 100 (don't quote me on that one, but it was within range) I added LC to shock level of 12 on day 1 and added 5 pucks to inline...