Nature’s Miracle. Saturate it & let the enzymes it for 24-48 hours, by keeping plastic over it.
the enzymes will not live if the spots have already been treated with bleach.
I've used the upholstery attachment on my steam cleaner.
Hi Lulu - This article is how to clean a mattress in 5 easy steps. Hope this helps! Hugs, Holly
PS - We have a FREE eBook with recipes for all of my homemade and all-natural cleaners. You can download it here --> https://pinkfortitude.com/thank#GreenClean