Portoro/Porto marbling explained and demonstrated by experienced teacher Cait Whitson of Carte Blanche and Whitson's Ltd
This video was done to accompany an article written by her for the Professional Painter an Decorator Magazine - the article can be found here https://cld.bz/bRkYD6r/12 and should be available to download until Autumn 2018
Further issues can be viewed here http://www.professionalpainteranddecorator.co.uk/issues/
Please feel free to ask questions below.
Classes are held regularly by Cait at her studio in Perth Scotland, upcoming classes are posted on her the Carte Blanche Facebook page
https://www.facebook.com/carteblanchedecorativepainters/