bathroom cleaners with bleach
This!
Tilex Mold and Mildew Bathroom cleaner is what I use (they make a Soap Scum one too—not that one)—I just spray it on and leave it a few seconds then wipe it off with a damp rag. A heavy coating of mildew may take a second time but don’t let it stay on the vinyl for more than 20-30 seconds—thats usually plenty of time to remove the mildew. If the vinyl still has black spots, that’s a stain that’s discolored the vinyl—the cleaner will kill the mold and you’ll need to scrub the black spots out separately.
I also use it in the corners of my carpets where the green mold grows—on that, I just spray a little on the mold and leave it—it kills it instantly and helps keep it from coming back.
Do you use the same thing to remove the Black spots or something else? We also have parts of the seats that are blue, will the Tilex dis-color the blue?