masking fluids

PRESERVING WHITES WITH MASKING FLUIDS FOR WATERCOLORS

1.Before applying masking fluid the paper must be totally dry
2. dip the brush in liquid soap then wipe  off excess soap
3.dip the brush in masking fluid and apply it to the paper in the area where white needs to be preserved
4.work for a short time and wash the brush ,to prevent the masking fluid from hardening on it
5.proceed with the painting,it is okay  to paint over the mask
6.Masking fluid can be removed when the paper is completely dry 
7. to remove....., just rub with fingers they just peel off
hope this post was useful