DIFFERENCE between Zinsser Oil and Alkyd-water based Primers by comparing the Product Overview at homedepot.com: Oil-based formula provides excellent adhesion to ***ALL*** surfaces without sanding. Water-based formula sticks to ***MOST*** surfaces without requiring sanding. Conclusion: Oil...

I have had less than desirable results using Sherwin Williams Multi-Purpose Oil Primer to prime previously varnished kitchen cabinets. For what I wanted, this seemed to be the best choice at SWP. The primer went on bad (kinda sticky), did not level at all and even worse did not sand well. The...