mould marks.

[explores]

How to get black mould marks off of vinyl seats. Hope you can help.

 

[coopec]

I hope you don't think me rude but have you looked here?

https://www.google.com.au/#q=removing+mould+from+vinyl+seats

Maybe one of the queries is yours?

Cheers

 

[Concerto]

Thick bleach works quite well. Should not affect the colour of the vinyl. Just brush on with a large paint brush, scrub badly affected areas with a nail brush, leave for 10 to 15 minutes, rinse off and dry.