Never used Stix primer before but have heard guys talk about it here. Went to HD for Wooster frames and saw they had a closeout sale on Stix at $9.00 a gallon:thumbup:. Bought last eight gallons they had. Now, was reading surface prep instructions. Surface must be free of any dirt, grease, oil, wax, soap residue, chalk, old paint, and other foreign matter. Remove grease and oil with lacquer solvent. Wash surface with strong detergent. Reduce any gloss by sanding. Remove sanding dust. Seal wood knots with shellac, and so on. If one would prep any surface as instructed above, what the hell would you need this or any primer for?(with the exception of needing holdout) Surfaces as prepped above would be ideal for straight paint. To me to do all this work for the primer negates the need for primer. Bought it mainly for adhesion to glossy surfaces. I'll stick to oil or Bullseye 123 for glossy surfaces without sanding or etching. These two have never failed me in all my years. Just a thought.