Mix 1 teaspoon olive oil and 1/2 cup lemon juice. Apply with a soft cloth, rubbing into the grain. Buff with a clean rag.
Combine in a bowl:
1/4 cup white distilled vinegar
1/4 cup water
1/2 teaspoon liquid vegetable oil-based soap
a few drops of jojoba or olive oil
3 to 5 drops essential oil (optional)
Saturate a sponge with the mixture, squeeze out the excess, and test wood surface. Rinse sponge in warm water in between washes.
Water spots: Allow the spots to dry out completely. Apply real mayonnaise over stain and let stand for at least an hour. Clean and buff with a clean rag.