Good morning, straigh6tt.
I have a couple of semi-related questions in an effort to help you get to "trouble-free," because I believe you've been at this long enough now
1. METALS: First off, I recall that when you started up your new pool this summer, you had both a purple end point on a test and an immediate green tint on adding chlorine, BEFORE there was time for algae to have developed...which indicates metal...but you're on city water, not well

I'm going to assume that your city water had high iron content this summer as there is no other explanation for source water tinting yellow-green on addition of chlorine that I know of.
You've now used a few different types of metal sequestrants, which can sometimes fight each other and cloud up. Since you've switched to SWG, you should also switch to jack's magenta for swg, just FYI. Is that what you meant by jack's purple?
Metals themselves do not cloud the water...but sometimes sequestrants initially cloud the water if you ch is high, but this generally clears in a few days unless there's a filter problem.
2. FILTER: What brand of sand did you use on the filter when you started up? There is a really minute chance that you got a bad batch, meaning too fine for the filter...there were a small handful of cases this year where the sand had not been graded properly by the mfg. if you put a piece of white cloth in front of a return with the filter operating normally (no DE) does any sand/dirt show up on the cloth?
3. NASCENT ALGAE: You continue to get "slam" advice on threads because greenish plus cloudy means nascent algae from FC too low 9.9 times out if 10. Its hard for folks to dx more complex scenarios such as a combo of metal effect, filtration issues, etc.

As I think you understand, however, slamming will oxidize the metal and bring a tint.
The easiest way to rule out need for a slam or to communicate to others that there's really no nascent algae is to run the OCLT a few nights in a row and post that. Even I am reluctant to send you down a rabbit hole like sand size if there's any chance you have nascent algae, and my own experience with meals and sequestrants has me a bit more attuned to the "rarer" possibilities
But to give an example, metals notwithstanding, during my swamp recovery my sand filter alone, with nothing more, eg no DE or aids added, was still able to polish my water to crystal clarity over time running 24/7. By now, I feel yours should have too unless there's a filtration problem or nascent algae.
If you run an OCLT and investigate the filter a bit more, we might get this handled
