Removing Moire Effectively - Page 6
If you haven't purchased enough plug-ins for Photoshop, then you can add "Quantum Mechanics Pro" from CameraBits to your collection. It includes a plug-in called "Moiré Eraser. I prefer using the “Moiré Eraser” plug-in since it very effectively blurs the “a” and “b” channels.
Using Gaussian Blur sometimes leaves large, indistinct swirls. These will show up as slightly colored areas that require some additional attention.