Hi, we just had stair tread bare “oak” installed. I plan to use Vermont natural floor varnish and they indicated 3 coats and nothing else, is that the norm? Also for a mid section because it is grouped with floors I will have to paint/stain the wood 1st before applying varnish. Can I just paint with let’s say Eco Paint / Eco Spec (Benjamin) then varnish? The reason I ask is because there are articles about wood conditioners, primers, and I am not sure if it’s needed here. Any suggestions are greatly appreciated!

Thank you!