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Exit,
I remember you saying to use a 3m sanding sponge for wet sanding, am i correct? i only saw sponges that already have a grit on them. Do i just wrap the new grit paper around that sponge so i have something soft and flat? I was just concerned that if it ripped through the paper, the rougher grit underneath would ruin my work. Thanks.

Rufus



That's what I did rufus. I would get the lightest grit one they have, which I think is like 220, maybe 320, since you're just using it as a semi firm sponge. The coarser grit ones might only sand well where the actual grit pieces are. I'm using a 150 grit and that seems ok but if I started over, i'd probably get a finer one. I don't think it would ever rip through the paper though. It can slide off if you're not careful, but if you're using a wet 320 grit sponge, it's not going to do much damage even if it does slide off for a second.