An additive designed for use with Bona Mega. It acts as an adhesion promoter for overcoating compatible pre-finished or previously coated floors. The addition is only required in the initial Bona Mega coat. Additions should be made at the rate of 4% following the dilution of Bona Crosslinker with an equal quantity of water ie 2% Bona Crosslinker + 2% water. (Pack size 100ml).