HELP! 
I simply cannot achieve "red" icing. I am using the "Crusting B/C icing that I always use and have gone through over half a container of "no taste" red coloring. I know it takes a while to turn but it's not even close. It no longer looks smooth because of so much coloring. What can I do. It is to be picked up in the morning...=/
You must be using Wilton colors 
Did you tint the icing orange OR yellow OR pink before you added your red? You should always start with one of those - get it really deep, bright color, then add the red paste. When the icing is on the cake it will get a bit darker. That's why red needs to be colored/made at least some 10-12 hours before you need to use it. Any chance you have some UNsweetened Koolaid? Black cherry or strawberry or even punch should help but again, it needs to havetime for the color to 'develop'.
For future knowledge AmeriColor liqui-gel colors will work much better..
You just have to keep adding more. If it's to be used for a base coat (like for a Spiderman cake) you could get a bottle of the color mist from Wilton and go over it with that. Otherwise you will need to just keep adding more red until it looks right.
For future reference, I prefer Americolor gels over Wilton. You don't need to use as much red coloring to get the color. I also like Chefmaster.
Try switching to Americolors food gels, they are way more concentrated than the Wilton FC, plus the colors turn out to be more vibrant!
With Americolor a little goes a long way!
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