I do not. I do, however, use Indo Pacific Sea Farms "Coral Heaven" food. I believe it was a multi development year effort between IPSF and Tropicorium. I'm a pretty huge fan of Mr. Heslinga. It is a pretty solid food and last a while. I'm looking forward to using it more as my tank continues to mature.Some newbie's one not, Reef Chili tonight. Who many use the stuff? Corals do respond instantly to it.