I know I have seen it on here before but can't seem to locate the forum. I need to make water out of gel or corn syrup. Can anyone shed some light on this for me please?

for a pool cake i made, i just used piping gel and colored it blue to get the shade i wanted.

Just spatula piping jel over b'cream. You can tint it any shade you need: blue, green, or somewhere in between. Just remember piping gel takes color *much* easier than icing. In fact I like the look you get tinting the icing under clear gel. And.....clear gel looks like ice

I have used Wilton's pre-coloured blue gel to make water. It's a nice blue colour with no fuss.