The left one js with the official Bob Ross liquid white. And on the right i used normal white gesso to blend the colors. In my opinion the one with gesso is

Do I need gesso or just use liquid white? : r/bobross

Bob Ross : Gesso : 473ml : Black - Bob Ross : Grounds and Mediums - Bob Ross - Brands

What Is Liquid White?

Martin / F. Weber Bob Ross Oil Paint, 237ml, Liquid White

Bob Ross Liquid Gesso Primer, Painting

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

White Gesso 473ML

Understanding the Techniques of Pouring Acrylics

How to Apply a Coloured Ground with Acrylic Paint (video)

Acrylic Painting: How To Paint An Abstract Landscape, LaurieAnne Gonzalez

Bob Ross Gessos BLICK Art Materials

Acrylic Painting: How To Paint An Abstract Landscape, LaurieAnne Gonzalez

Bob Ross Liquid White Oil Paint, 237ml jar (750006207) : Arts, Crafts & Sewing

Liquid White 237ml (USA) - Bob Ross Inc.

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Liquid White 237ml (USA)