CUTEK Colourtone Dusky Brown / Merbau 180mlCUTEK Colourtone Dusky Brown Merbau 180ml Colour additive for CUTEK CD50 or Extreme CD50 Warm brown tone closely matches merbau timber Transparent tint add to CUTEK CD50 or Extreme CD50 to maintain timber colour and add UV protection One 180ml pot mixes with approximately 4. 55 litres of CUTEK oil Final colour varies depending on timber species, age, and porosity always test with a sample first Not compatible with CUTEK Interior or any third party