Mold or mildew is in every corner of the space.
Localized cleaning with a liquid won't cut it.
And fix the cause/circumstances also:
-Get a dehumidifier for inside.
-My whole neighborhood has a rash of green mildew. It's on everything. White fences, siding, sidewalks, concrete, everything. Too much power washing and maintenance every year. I'm going to try and start using
Bleach-Free, No Scrub Mold & Mildew, Moss & Algae Cleaner | Wet & Forget and see how it goes. Needs to be diluted and sprayed and sit for a week to work best. It will harm plants.
You need to run an ozone generator.
5K mg/h for $80.
https://www.amazon.com/ozone-generator/s?ie=UTF8&page=1&rh=i%3Aaps%2Ck%3Aozone%20generator
Or 20K mg/h for $100.
10,000 mg/h Ozone Generator $45.99 | Ozone Generator | Water - Oil Ozonators
Ozone will eventually screw up leather and plastic and more.
I would go with the lesser treatments and use only as necessary.
Let it marinade for 24 hours at least.
Do not breathe.