Kaleido Colorworks KT203 Airbrush Cleaner 210ml — 44551

Kaleido Colorworks · RapidAir

Water-based airbrush and brush cleaner, 210ml. Formulated for Kaleido RapidAir paints but compatible with most water-based acrylics. Non-toxic, solvent-free, safe on seals and O-rings. REACH compliant, ASTM D4236 certified, VOC <100g/L.

🧪 Why This Cleaner?

Kaleido claims KT203 dissolves their water-based paints over 30% more efficiently than standard water-based cleaners — and users back that up. It's the cleaner that ships inside Kaleido paint sets as the default maintenance product, and hobbyists who switch from DIY water/IPA mixes report less foaming, fewer streaks, and cleaner nozzle channels.

Because it's fully water-based with no solvents, it's safe for airbrush seals and O-rings — a real advantage if you clean frequently, since solvent-based cleaners can degrade rubber components over time. Low odour, non-toxic, indoor-friendly.

🔄 How to Use — 5 Steps

① Add cleaner — pour KT203 into the airbrush cup.

② Back-bubble — block the nozzle and gently pull the trigger to force air backwards through the paint channel. This agitates residue from the cup walls and nozzle seat.

③ Spray out — release the nozzle and spray the cleaner through into a cleaning pot or tissue until the output runs clear.

④ Wipe the cup — clean out the gravity cup with a tissue or cotton bud.

⑤ Verify — spray a final burst to confirm the output is completely clean. Done.

🎯 Best Used For

Colour-change flushing — quick flush between paints during a session to keep colours clean.

End-of-session cleaning — thorough flush-through after painting to prevent dried paint build-up.

Brush cleaning — soak and rinse traditional brushes used with water-based acrylics.

Light residue removal — dissolves fresh and semi-dried acrylic from cups, channels, and air caps.

📐 Specifications

👤 Who Is This For?

✅ Great fit if you:

Use Kaleido RapidAir paints and want the cleaner designed to work best with them.

Prefer a non-toxic, water-based cleaner that's safe on seals and pleasant to use indoors.

Work primarily with water-based acrylics from any brand and need a reliable flush-through cleaner.

Want a dedicated cleaner that outperforms plain water or DIY IPA mixes for routine maintenance.

⚠️ Probably not the best choice if:

You mainly use solvent-based paints (lacquers, enamels) — you'll need a solvent-based cleaner for those.

You only paint occasionally and already have a working IPA/water routine — the upgrade is smaller in that case.

💎 The Kaleido Core Trio

All three also available in 60ml travel sizes (KT101 / KT102 / KT103).

💡 Pro Tips

Flush between every colour change — a small amount through the airbrush keeps the nozzle clean and prevents colour contamination. It takes seconds and saves you from fighting blockages later.

Let it soak for stubborn residue — if paint has started to dry in the cup or channel, let the cleaner sit for a minute before flushing. It dissolves much better with a little dwell time.

Pair with mechanical cleaning for deep maintenance — KT203 handles routine flushing, but for a proper deep clean, combine it with cleaning brushes and a cleaning needle. The cleaner loosens; the tools remove.

Works in a cleaning pot — use with a Gaahleri or any cleaning pot for contained, mess-free flushing.

⚖️ Worth Knowing

Water-based acrylics only — not designed for solvent-based lacquers, enamels, or hybrid paints. For those, you'll need a dedicated solvent cleaner.

Won't rescue a badly clogged airbrush — if paint has hardened solid inside the nozzle, you'll need mechanical cleaning tools alongside the cleaner. KT203 is for routine maintenance, not restoration.

Best value if you use Kaleido paints — it works with other water-based acrylics, but the biggest performance advantage is with Kaleido's own formulation.

210ml goes faster than you'd think — if you airbrush frequently with lots of colour changes, budget for going through a bottle every few weeks. Keep a spare.