🚨🚨🚨 Black Friday Super Deal 2025 ⏰ Ends in 01:47!use code BF2025SUPER for Extra 10% OFF + FREE Delivery.

Don’t Panic About Those Dark Spots on Your Oak or Walnut Furniture

Those little black marks are actually a natural result of your wood’s own chemistry – something called tannin reacting in the wood. In this post, we’ll explain what tannins are, why these dark spots appear (they’re not mold), and why they’re actually a normal characteristic of real hardwood.

Don’t Panic About Those Dark Spots on Your Oak or Walnut Furniture

Those little black marks are actually a natural result of your wood’s own chemistry – something called tannin reacting in the wood. In this post, we’ll explain what tannins are, why these dark spots appear (they’re not mold), and why they’re actually a normal characteristic of real hardwood.
Tannins in Red Oak

These two smaller dark areas in the top big circle might seem unnoticeable, however, after pre-color treatment they might become very obvious!

08/06/2025

About

eastbaydiy crafts high-quality, custom fine furniture just for you! Specializing in solid hardwood and Japanese-style designs, we create bespoke dressers, bedside tables, cabinets, and more. Serving the Bay Area, including Oakland, San Jose, and San Francisco and beyond. Get a locally handcrafted piece made just for you!

Popular posts