Tannin Remover

Pulls the dark tannin staining out of oak and other high-tannin woods before you put any finish near them.

Sizes range from, at Rubio United States

US$20.99 to 104.99

That spread is the sample up to the largest tin. Pick your size and colour on Rubio's page for the real total.

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Goes with this

Ages new wood on purpose, so a repair or an addition stops looking newer than everything around it.

Mix it with sanding dust from the actual piece so the filler takes the oil roughly the way the wood around it does.