You need to take care of the boards as they get dirty. If the product is personal and stored in a special case, disinfection is recommended once a month. When sadhu boards are used for group practices in the studio or on a yoga tour, disinfect the nails after each session.
Miramistin is a widely used antiseptic, and one of the most popular antimicrobial agents. It is important to dry your feet completely before stepping on the nails!