Unfortunately the whiter the wood the softer it usually is and the softer it is the more blotchy the stain will look.
Which hardwoods take white stain well.
Unlike oak and ash the grain pattern of maple is uneven causing it to absorb stains in varying degrees.
They are usually the result of standing water and are most likely to occur when the finish has worn thin.
That is a fact no matter what anyone tells you.
To reduce any blotchiness first apply a coat of a pre stain wood conditioner.
Plywood if usually birch veneered for these reasons.
If wood fillers are placed on unfinished wood allowed to dry and then.
Wood fillers typically don t absorb stain as well as the natural woods.
If you still see blotches stain one more time.
For example if a stain starts with red undertones it will play well into hardwood that has red undertones already in place.
Oil stains take days to dry and penetrate deeper.
Apply the stain to the dry wood with a paintbrush.
Let the stain soak in for a minute or two then wipe off the excess with a.
You said that birch is a very soft wood extremely which is incorrect.
Examine after 15 minutes.
Let the stain dry overnight.
It takes a stain well is durable inexpensive and a good cabinet choice.
For best results don t use oil stains unless you are an expert in wood finishing.
The same stain used in the woodworking piece simply looks different when applied to wood filler.
This can result in the wood filler spots to appear much lighter or darker than surrounding stained wood.
You are more likely to get blotches with oil stain.
If you see any blotches stain the wood again everywhere.
An example of a great hardwood floor to stain that has an even feel and a non blotchy look is oak on the other hand maple is blotchy after it is stained no matter the process.
Hard maple is an extremely dense tight pored wood that does not absorb any stains.
The most troublesome hardwood floor stains are those that affect the wood itself.
Darker poplar generally has a denser grain and will take stain much better.
Oil based and water based stains penetrate its grain equally well.
Certain hardwoods can be stained better than other hardwoods.
White and red oak will let the darker red tones shine through pine may have a lighter yellow reddish appearance.
If you have the option choose the darker wood.
You need to remove the finish to bleach these black stains out of the wood and the best way to do that is to sand the affected area by hand with 120 grit.