Lindsey, I rinse my stuff with just cool water (warm would be fine too, I just prefer cool) every 1-3 hours and pat it dry to keep the scab forming goo from building up too thick. I tend to scab thickly from wounds in general, so it keeps my body from going crazy without hurting the tattoo at all. I do the rinsing for the first 3 or 4 days, but only wash it with soap first thing in the morning and before bed. After that, I just keep to washing it twice and day and only really tend to it if it feels dry or itchy. I generally just use cool water then too, but in the morning I usually use a little unscented lotion and I'll put aquaphor on if I'm going to be somewhere I might get dirty like outdoors or at a bar to at least give a little barrier between the healing tattoo and outside germs.
I used to scab at least a little on most things, but doing this I only get a peel similar to a sunburn. Stuff heals faster and I haven't needed any touchups or had any hard heals even with lots of fine line and dot work. Even the thick solid black areas on my chest healed really nicely. That said, the light color stuff I've gotten has still looked a little angry til it peeled. I think it's just because you can see the healing skin thru the ink better with light colors and white, as well as the slight amount of "scab" that does form.
I can also say that tattoos on lower extremities heal more slowly, especially if you're standing a lot. Putting your feet up for a bit when you get a chance will help get the blood out of your feet so new can circulate thru more easily.
On another note...does your shower drain well or does water stand in it a bit? Having it that moist for a prolonged period of time could certainly effect how it heals and how angry it looks, too.
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