This reader used an "acid base stain" 40 years ago to stain some birch doors, Michael Dresdner has some ideas on how to make a similar finish today.
5 Panel Door from a Flat Hollow Core Door
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Having Trouble Finishing? Here's a Great Product - FineWoodworking
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Use the NewDeck 1 qt. Water-Based Summerwood Infrared Reflective Wood Stain to add a finishing touch to your interior or exterior living space. The stain can be used on a variety of wood surfaces, and it penetrates deeply to provide a long-lasting rich appearance. The eco-friendly water-based formula is designed to help lower the temperature of stained surfaces by up to 40°F for comfortable use.
NewDeck 1-gal. Water-Based Birch Infrared Reflective Wood Stain
Mid-Century Modern Solid Wood 6 Panel Door
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