Alternatives to Ultramarine Blue: Army Painter Primer?

I've been plagued with cans of Ultramarines Blue spray paint that just don't work.  I must have ten cans of this in my garage which are mostly full, yet they refuse to spray and I can't come up with a solution to breathe some life into them.  As a result, I've had to find a…

3x Mini Chaos Painting Guides 🔥 PART 01 - The Army Painter

Alternatives to Ultramarine Blue: Army Painter Primer?

Warhammer 40k Indomitus How to Paint Ultramarines – Sprues & Brews

Army Painter Spray Primer and Varnish

Army Painter Ultramarine Blue Colour Primer

The Army Painter: Primer - Ultramarine Blue

Army Painter Speed Paint Palette : r/minipainting

An ingenious combination of Primer and Colour Spray in one. The Colour Primers unique formula has been designed to be used on all metal, plastic and resin miniatures and leaves a perfect finish. The extra-fine pigment and special nozzle combination makes the Colour Primers easily cover the first time. The colours are matt, making your freshly sprayed miniatures or models ready for basecoat almost right away.Save both time and money.

The Army Painter: Gun Metal Primer

Army Painter Paint: Ultramarine Blue [German version]

The Army Painter Warpaints Review for Miniatures & Wargames Models - FauxHammer

Paint, Terrain & Tools :: Paints :: The Army Painter :: Color Primers :: The Army Painter: Color Primer - Deep Blue - Fantasy Games