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Gallotannins are best for light-colored wood stains and bright colors.
This is the best source for food-grade tannin, often sold as "wine tannin" (e.g., from MoreWine! ). buy tannin powder
Some woodworking retailers sell tannin powder specifically for ebonizing wood. Key Considerations Before Buying Gallotannins are best for light-colored wood stains and
Determine if you need food-grade (for wine/cider) or technical-grade (for wood staining/tanning). often sold as "wine tannin" (e.g.
Chestnut or Oak tannins are ideal for deep, dark ebonizing (blackening) of wood. Available as fine powders, flakes, or crystals. Typical Applications
Tannins from different sources yield different results.
Mixed with water and applied to woods low in natural tannin (like maple or pine) before applying iron acetate to achieve a deep, black finish.