If the surface that you have is very blotchy you need to make sure that you will remove the stain first by stripping it.
How to fix blotchy stain on oak floors.
First strip as much of the color as possible.
Before applying gel stain thoroughly mix any liquid at the top of the can back into the gel.
Wet not soak the surface.
Would it cause blotchy stain on oak.
For water based stains use a lacquer thinner.
This way if you need to add more stain you can do so.
Wait for the stain to completely permeate the wood by giving it at least 2 days to fully dry.
Wipe on stain generously but evenly.
Best way to achieve an even colour with darker stains is to water pop the floor before staining.
Scrub out the streaks then reapply the stain liberally.
Once the stain is correct and set you can seal the floor to protect the finish.
Apply a wash coat of shellac and then the statement.
Wipe dark areas of the floor with mineral spirits or acetone to lift the stain from the wood.
Step 3 allow dry time.
If the stain resists these chemicals or if a polyurethane topcoat has already been applied to the.
If you re using an oil based stain scrub the surface while it s.
Wipe off the excess with a rag immediately.
Step 4 seal the floor.
If you do have a blotching that is not too severe then you can try and glaze it.
Don t go overboard and only use a very small amount of stain on the dry rag.