It was the cat litter deodorizer, baking powder stuff you sprinkle in with the litter. (theletteredcottage.net)
I probably used a little less than half a cup in a thickie this morning along with coconut water, almond milk, and some cocoa green powder stuff I've been using for my smoothies. (greenthickies.com)
If you have access to fresh magenta - fleshed pitaya you could use that instead of the freeze - dried powdered stuff. (willfrolicforfood.com)