I put various pens, markers and pencils to the test to see which ones were water soluble or not. I was surprised at what I found. I was looking for one that would be acceptable to use with watercolors.
Materials Used:
• Copic Multiliner
• Pigma Micron
• Prismacolor Marker
• Sharpie Marker
• Uni-Pin
• Uni-Ball
• Pentel Slicci
• Pentel Technica
• Pilot G-Tech-C4
• Bic Velocity 1.0
• Bic Velocity 1.6
• Faber Castell Polychromo
• Prismacolor Premier
• Pentel GraphGear 1000
• Drafting Pencil
• Strathmore Mixed Media Paper