yup I have.. did it all summer as if I ran both MH at the same time I got way to much heat :mrgreen: I was running each bulb 4 hours and I never noticed a difference from running both for 10 hours.

Steve

hmm so if you guys do not think there is any point for growth, what about getting them to sporalte? also what about the fish has any one noticed that the stagerd light dose not make some fish as edgy like they sucked back to much coffee?