Water-based short runs

I've been using water-based for my t-shirt samples since I don't have to heat up a dryer and for one-color jobs the inks are similar to plastisol inks. For bigger t-shirt printing runs white t-shirts I've been thinning down the black to make it similar to the water-based and have come to find that I like it a bit more than water-based because it doesn't bleed through to the inside of the shirt. Back and forth, that's how this challenge seems to be going. Water-based inks are good for this bad for that and the same goes for plastisol inks. There has been a lot of discussion lately about phalaytes. I wonder how that effects t-shirt inks. Basically if you are concerned about your carbon footprint then I suggest only white or natural shirts since they must have less coloring in them and require less ink to print.