Wipe off any excess paint around the paint cans using a clean rag before storing.
Chalk painting over stained wood.
Sand any areas that feel rough and you re done.
And if you use a water base poly on top to seal it it may give you a crackle affect which you may or may not want.
Use paint thinner to clean off brushes used for oil based paints.
Allow to dry overnight.
This is rarely available on amazon.
To eliminate these problems seal it with a coat of shellac first and then use your chalk paint.
Then follow these general preparatory steps for painting over stain.
Stain over chalk paint though the paint is a little thicker than latex then it will not automatically cover in 1 jacket.
Another chalk paint option is annie sloan old white.
Lightly sand with the 220 grit sandpaper over areas that feel rough to the touch apply 2nd coat of polyurethane.
Wood stain in color of choice if i were to do this over i would select minwax dark walnut paint for table and chair bottoms.
That should prevent bleeding and crackling.
First clean the stained surface with soapy water to remove any dust dirt and cobwebs.
If you use a light color paint the dark wood might bleed through.
Then dip a rang.
Next to dull the stain lightly sand the surface with 150 grit or finer sandpaper moving in the direction of the grain.
There are numerous varieties of paints that are either sterile or solvent based that generates unique finishes that are measured by its sheen component.
Amy howard chalk paint in linen is what i used.