I'm new to priming with an airbrush, when I use Vallejo black primer it applies perfectly and smoothly, but when I add grey as a zenithal, it becomes very patchy. Anyone know

Vallejo Black Primer Acry-Poly 200ml Paint : Arts, Crafts & Sewing

Griff Glowen's Beginner and Beyond Painting Blog

Vallejo Surface Primer for Miniatures (Review and Tips) - Tangible Day

Identifying, Updating, and Painting a Bucket of 90's Era 40K Orks with Lawnor – OnTableTop – Home of Beasts of War

Malifaux City Board Build Diary - Page 4 - Terrain Talk - Wyrd Forums

Minis Painting: if they didn't want their fur being used, they wouldn't be made out of paintbrushes - The Something Awful Forums

How to use Black Vallejo Primers part 1, How to

Priming with an airbrush. - The Emperor's Herdstone

Paul Gestwicki's Blog: June 2018

Wargames Illustrated Issue 407 November 2021

About to paint something for the first time in my life! Any tips for applying the primer? : r/minipainting

How to Airbrush Prime Miniatures (Simple Tips with Vallejo Surface Primer)