Beautiful. Are you also doing 2 part or Ca Rx? Seems like a lot of SPS for just Kalk. I'm a big fan of Kalk. Love it, but I doubt its enough to keep up with a mature SPS tank without some other means of supplementation. Looking forward to pics, and I will go ahead and say post pics of your kalk set-ups as well, and how you do it. Personally, I just top off my nano with saturated Kalk. Manually too, LOL!