If you do have a blotching that is not too severe then you can try and glaze it.
How to fix blotchy stain on oak floors.
First strip as much of the color as possible.
Wipe on stain generously but evenly.
If the surface that you have is very blotchy you need to make sure that you will remove the stain first by stripping it.
Step 3 allow dry time.
Still wet with a scotch brite pad and mineral spirits or naptha.
Wipe dark areas of the floor with mineral spirits or acetone to lift the stain from the wood.
Step 4 seal the floor.
Don t go overboard and only use a very small amount of stain on the dry rag.
This way if you need to add more stain you can do so.
Wipe off the excess with a rag immediately.
Scrub out the streaks then reapply the stain liberally.
Allow the stain to sit for the time recommended by the manufacturer usually about three minutes and then wipe off the surplus working with the grain.
If the stain resists these chemicals or if a polyurethane topcoat has already been applied to the.
Wait for the stain to completely permeate the wood by giving it at least 2 days to fully dry.
Apply a wash coat of shellac and then the statement.
For water based stains use a lacquer thinner.
Would it cause blotchy stain on oak.
Wet not soak the surface.
Once the stain is correct and set you can seal the floor to protect the finish.
If you re using an oil based stain scrub the surface while it s.