I'm looking for the best lighting for a 2.5 or 5 gal sps tank . Mainly acro I'm Concerned about. I heard it can be done and have asked many people and received the " impossible " it can't be done answer. I'm just looking for hypothetical answers. Thank u in advance. // I looked in the the 70w hqi viper clamp lamp and feel it could be. The answer I'm looking for please do share ur opinion on this.