Yes, all acrylic paint works, but heavy body is harder to use because you need to mix it in thoroughly leaving no lumps. Fluid acrylics or hi-flow acrylics are the usual choice. If you are using heavy body paint it is best to start with the heavy body paint in the cup and mix in the medium a bit at a time until the heavy body paint is the same viscosity as the medium when you can then add the rest of the medium.

There is no set ratio of paint to pouring medium - it depends on how dense you want the colour. Try using 5% colour and adjust as you see fit. The ratio of colour to pouring medium will mostly control how dark/light or transparent/opaque your colours are but can also affect the final gloss and viscosity. You can tint the medium with just a few drops or add up to half paint.

You may wish to read our introduction to pouring articles -

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