I started with egg whites, then switched to dehydrated egg whites, then to Wilton, then to CK, and I just finished my first batch with Americolor. I live in Washington, DC and have had a lot of issues with bleeding when it is humid. Americolor is by far the best for preventing bleeding. Americolor seems to invite more air bubbles than CK, but I am getting rave reviews on the taste of Americolor (I'm a vegan, so I have never tasted any of them!)