The distinctive rust-red of hematite soils and Martian sands, in a medium grain. Vallejo's Mars Red texture at 1–2mm is a ready-to-use acrylic paste for building red, iron-rich rocky ground on bases, terrain boards and dioramas. Spread it on, leave it to dry, then paint, wash and drybrush to match your scheme. At a glance Type: Acrylic ground texture (Diorama FX) Grain: Medium, 1–2mm Use: Ready to use — apply with a spatula or old brush Range: Vallejo Diorama FX Best for Medium-grain red, iron-rich terrain on bases and boards Desert worlds, Mediterranean soils and sci-fi battlefields Combines with washes and pigments for extra realism The mid grain is the sweet spot for infantry bases — rugged enough to read as rock, fine enough to stay in scale. Ready-to-use red ground for alien and arid worlds. Pair it with rust washes and earth pigments to build up the effect.