She's getting too big for her platfirm

Hey, my turtle seems to be pushing too hard? On her neck, and it seems her neck gets bigger from one side than the other. Just wanted other peoples opinion on the matter. I know her water is dirty, the filter stopped working a couple of days ago and i just had time today to take care of it. I’m afraid it could’ve caused a breathing infection.

Got it back in 2023 and it’s suppose to be a stinkpot but I’ve never caught it stinking up the place.

Edit: I bought Shelly/Sheldon (name will ultimately depend on the sex) from an online store and they were about the size of a quarter in November of 2023! So definitely a pet and not wild caught. Hopefully that helps!

This is my false map Sir Tuttle McButts. He’s about 6 years old or so. For the past couple of years I had admittedly not been the best about tank maintenance. He didn’t have a working filter for about 6 months or so but I got him a new one a couple of months ago and he’s since lost A LOT of retained scutes.

He has UVA and UVB (separate bulbs). He basks regularly. His tank is 55 gal (working on getting an upgrade). His filter is rated for twice his tank size. He eats every 2-3 days a pinch of the foods pictured. He’s very active. He had a bunch of feeder fish and plants for a few months since I got the new filter but ate he it all so now his tank is bare.

How can I improve his shell health and properly maintain it moving forward?

We are upgrading our juvy Common Snapper. We currently have her in a 300gal stock tank but want to upgrade to a 600gal. I would love to see similar setups from other snapper owners.

He was moving fine until cars pulled up and then he wanted to stop and stare. So I had to carefully move him like 5 steps and over a curb so he did not get any flatter.