Is this dirt from the filter?

Could be either. To rule out the filter, tie a sock to the returns for an hour and see what you get.

Also, post a full set of pool water tests...

Justingambini47 said:

Hi i have a 60,000 gallon pool that uses 2 pentair vsrs inteliflo 3 hp pumps and 2 jandy cl580 filters. Is this dirt spitting back into the pool from the filters or is it part of the environment i live in? The pool is located out in the country with dirt and trees.View attachment 577598

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If the filter is allowing dirt through, it first has to get into the pool. Trees are natural dust collectors and then the wind will blow it into the pool. A Polaris won't clean the steps and may not be reaching the area in front of them.
Turn the return fitting more toward the bottom and the stairs and that dirt will get stirred into the water better, but that looks like a rectangular pool. They often have "dead" spots in the circulation and the dirt that lands on the water settles in them before it gets to the skimmers.
Be sure that you have more flow into the skimmers than the main drain if possible.
If you are in a large, open area with fields/dirt around you it will be an on going issue. Be sure the Polaris sweep tail is gently moving across the floor as it moves. It should not leave the floor when working properly.
Running the filter at night/early morning, starting at 2:00AM or so will actually keep your pool cleaner.

We’re country too, and there is a fair amount of dirt and sediment that regularly shows up. But this looks like it is mixed with sand and being blown in from the filter, which we also had at one time. Our sand filter had a broken lateral, so that was the cause. We actually replaced our sand with a cartridge filter, it stays a lot cleaner.

jly62 said:

We’re country too, and there is a fair amount of dirt and sediment that regularly shows up. But this looks like it is mixed with sand and being blown in from the filter, which we also had at one time. Our sand filter had a broken lateral, so that was the cause. We actually replaced our sand with a cartridge filter, it stays a lot cleaner.

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Cartridge filters (two CL520) do not blow anything through them except what gets into the pool. If the cartridges are good, the air relief screen is in place, a manifold is not broken dirt does not blow through them. Dirt, especially in an open area, falls into a pool 24/7/366 (yeah, its leap year) and trees exacerbate the issue. Could be sand as well if the wind is strong enough or there is a source in the pool area.

1poolman1 said:

Cartridge filters (two CL520) do not blow anything through them except what gets into the pool. If the cartridges are good, the air relief screen is in place, a manifold is not broken dirt does not blow through them. Dirt, especially in an open area, falls into a pool 24/7/366 (yeah, its leap year) and trees exacerbate the issue. Could be sand as well if the wind is strong enough or there is a source in the pool area.

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Right. Like I said, our pool stays a lot cleaner with the cartridge filter as opposed to sand.