Fusion Extender
Tax included.
To begin with mix a quarter of a bottle (15ml) up to a half a bottle of Extender (30ml) together with a pint (500ml). Using 1 bottle is good for to 2-4 pints. Less can be added if desired. However adding more is not recommended as it will impact your drying and curing time.
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https://fusionmineralpaint.com/fusion-extender-tutorial/