I usually only use the cleaner when I'm breaking down a tank or getting some equipment ready to put in the garage. If you're going to be selling used stuff, it makes it look nice and clean, without too much work
I usually use Sprayaway glass cleaner for the glass, a towel or green scrub pad for dust or crud, and a sponge/towel+vinegar to remove water spots on acrylic, light bulbs, and reflectors.