Yes a timer is a good idea as well. I just get set in my ways and stuck on a routine I suppose.
When you rinse the brass do you use a garden hose sprayer or sink sprayer? Do you have some sort of screen system so the water washes through the brass?
Outside hose and yes I made a frame 2 ft square of 2 x4's and stapled hardware cloth (galvanized mesh wire) on the bottom. I then put some furring strips over the stapled areas which raises it about 1/2" off the driveway. In the summer sun here bakes them dry in a hour or so.
I just use old 5 gal plastic paint buckets to wash and rinse then a old plastic strainer to pour the solution bake into a 1 gal jug. You can reuse the solution many times.