Bona Blocker 500ml

Efficiently reduce bleeding and yellow stains on white and natural treated wood floors with Bona Blocker. This 500ml additive effectively reduces the risk of discolouration from natural wood substances and extracts, like tannins from white oak and wood knots. Combining it with Bona White or Bona Natural Primer results in optimal protection. One bottle covers two 5 litre cans of lacquer