Short answer: A wet palette is a simple setup where a moisture-permeable membrane sits over a damp sponge, keeping your acrylic paint workable for hours, or even days once you seal it shut. Because the paint never dries on the surface, you can mix transitions, hold a steady consistency, and waste far less paint. That is why, for anyone doing layering, blending or glazing, it is close to essential.
The problem it solves is familiar: on a dry palette, acrylic paint skins over within minutes. On a wet palette, that same blob stays at the same consistency while you work. Once painters feel that difference in their first session, most never go back. This guide walks through what a wet palette is, how it works, how to build one at home, and the traps people fall into.
What is a wet palette and what does it do?
Put simply, a wet palette is a setup where you keep paint on a sheet of paper that constantly draws moisture from a damp layer underneath. The core idea is just as simple: a permeable membrane (baking parchment or dedicated wet palette paper) wicks moisture up from a wet sponge and slows the paint above it from drying.
As a result, your paint stays usable for hours instead of minutes. That makes every thin-coat technique easier, because your worst enemy, paint drying on the palette, simply disappears. As Coloring Brain from How-to-Paint-Miniatures.com puts it, once you switch from a plastic dry palette to a wet palette there is no going back, and the race against paint drying is over.
How does it work?
To understand it, all you need is to picture the three layers and how they work together:
- A sealed container: Ideally one with a lid that holds water.
- A moisture reservoir: A water-saturated sponge, cloth, or folded paper towel.
- A membrane: On top, a sheet that lets moisture through but not paint, such as parchment or dedicated wet palette paper.
From there the process is straightforward: you place paint on top of the membrane, moisture rises through it, and the paint stays wet. That is why the paint stays usable for hours, why you can add water and mix mid-tones right on the surface, and why you burn through old paint instead of squeezing fresh blobs every session. The logic is identical in any system; the Redgrass Games Everlasting Wet Palette, for instance, is one of today's modern standards.
How do you set one up step by step?
Whether you buy a ready-made kit or assemble one from kitchen supplies, the setup follows the same logic in both cases. The sequence below works for DIY and commercial palettes alike.
- Build the base: Put a sponge, cloth, or folded paper towel in the bottom of the container and saturate it with water. No pooling, the target is "saturated but no standing water on top."
- Lay the membrane: Spread parchment or wet palette paper on top, and leave no air bubbles underneath so the paper wicks moisture evenly.
- Add paint: Squeeze small amounts of paint onto the membrane. Within a few minutes the moisture begins working into the paint.
- Work: Pull paint from here; lean on the membrane's moisture or add a touch of water to adjust consistency. You can mix mid-tones directly on the surface.
- Store: When the session ends, close the lid. Sealed this way, the paints usually stay usable for days.
- Maintain: Clean regularly and refresh the water to prevent mould, using clean water as needed.
The one golden rule of a wet palette is moisture control: "saturated but no pooling." Too much water floods the paint on the membrane and ruins it; too little and the paint still dries. Get that balance once, though, and the palette practically runs itself.
Which paints and materials?
Start with the paint: a wet palette works best with acrylics, because the whole concept relies on acrylic being water-based. On the materials side, the essentials are refreshingly simple:
- Ready-made kits: Options like Redgrass Everlasting, Army Painter, or Sta-Wet arrive with the container, sponge, and dedicated paper.
- DIY kit: A lidded container, a sponge or paper towel, and parchment (baking) paper. You can assemble it from kitchen supplies in minutes.
- Paper choice: Parchment paper is cheap and works well; dedicated wet palette paper lasts longer and tears later.
If you also want to master consistency, pair the palette with the logic of Thinning Paint: Two Thin Coats; the two go hand in hand.
Which techniques does it shine with?
Keep in mind that a wet palette is not a technique on its own; it is the foundation that makes nearly every thin-coat technique easier. It makes the biggest difference here:
- Layering: Keeps the same mid-tone ready for every pass, for hours.
- Wet Blending: Keeping the paint wet is the whole secret of a smooth transition.
- Glazing: You dial in thin, transparent mixes easily, right on the surface.
- Batch Painting: You use the same colour across dozens of minis for hours without re-squeezing.
What are the most common mistakes?
A wet palette looks simple, but it has a few classic traps. Knowing them up front spares you most of the frustration people hit on their first try.
- Too much water: The membrane pools, and the paint over-thins and runs. Aim instead for saturated but not pooling.
- Wrong paper: Use ordinary waterproof paper and the moisture never reaches the paint, so parchment or dedicated wet palette paper is a must.
- Air bubbles under the membrane: That spot stays dry and your paint dries right there. Smoothing the paper flat as you lay it solves this.
- Neglecting maintenance: Skip refreshing the water and you eventually get mould. The fix is simple: clean regularly and change the water.
- Contrast and transparent paints: Holding these on a wet palette too long can over-thin some of them and break their special behaviour, so be more careful with them.
Pro tips
Once the basic setup is dialled in, a few small details make the palette genuinely efficient:
- Parchment paper is cheap and works well; if you want something more permanent, dedicated wet palette paper lasts longer.
- Always set the moisture to "saturated but no pooling," because too much water ruins the paint outright.
- Use metallic paints carefully on a wet palette; the constant moisture can separate the pigment and dull the metallic effect.
- Sealing the lid and storing the palette in the fridge at the end of a session (a trick some painters use) keeps paint far longer. Just do it in a separate, sealed container, for the sake of hygiene and odour.
Frequently Asked Questions
Do I really need a wet palette?
Not strictly, but it is a game changer if you work in thin coats. For anyone layering, blending or glazing, keeping paint open for hours is a huge relief. If you only slap on simple base coats, a dry palette is fine; even so, most people who try a wet palette never go back.
How do I make a wet palette at home?
It is genuinely easy: put a sponge or folded paper towel in a lidded container, saturate it with water, lay parchment (baking) paper on top, and make sure there are no air bubbles. Then squeeze paint onto the paper. It assembles from kitchen supplies in minutes and works on the same principle as a commercial kit.
Which paper should I use?
You need paper that lets moisture through but not paint. Parchment (baking) paper is cheap, easy to find, and works well. Dedicated wet palette paper, meanwhile, lasts longer and tears later. By contrast, ordinary waterproof paper or aluminium foil will not work, because the moisture cannot reach the paint.
How long does the paint stay usable?
While you work uncovered, most acrylics hold the same consistency for hours. Close the lid at the end of a session and the paints usually stay usable for days. What sets the limit is the moisture balance and the type of paint. Regular maintenance and fresh water both extend the time and prevent mould.
Does a wet palette work with metallic paints?
It works, but with care. The membrane's constant moisture can separate the heavy pigment in metallic paints over time and dull the shine. So it is safer to use metallics briefly rather than holding them on the palette. The same warning applies to contrast-type paints, which can lose their behaviour if over-thinned.
Why does mould form on a wet palette?
Mould comes from stagnant water and neglect. Leave the water unchanged and skip cleaning, and the sponge grows mould. The fix is simple: refresh the water regularly, swap the paper, and keep the palette clean. If you will not use it for a while, drying the sponge also prevents mould.
Key takeaway and next step
In the end, a wet palette does one job, but it does it perfectly: it keeps your paint open. The moment you set the moisture to "saturated but no pooling," paint drying on the palette becomes history and every thin-coat technique gets easier.
If you want to pull together a new palette, sponge and dedicated paper in one go, build your own kit from the paints, brushes & hobby supplies at Terminal Wargaming.