Zinsser B-I-N Aqua is a high performance, water-based primer, sealer and stain killer designed for interior and exterior use. It offers exceptional adhesion to difficult surfaces without sanding, acts as a barrier against severe stains (water, nicotine, knots, sap) and locks in odours. It is low-odour, fast-drying (25 mins), and cleans up with soap and water.
https://zinsseruk.com/products/b-i-n-aqua
