How to prevent yellowing of wood floor

Q: What would happen if I wanted to sand all the way to bare wood, and then cover with a water base? Would I get some yellowing?

How do I prevent yellowing?

A: If you remove all the old finish, you won’t have yellowing. Mind you, some of the better oil based finishes also contain a resin made from safflower that resists yellowing. They give a richer look than water based, but don’t go as ghastly dark as the cheaper finishes tend to do.

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