Universal ColorLogic® LED lighting will transform your outdoor environment. They're the only, UL-listed lights to retrofit virtually any existing pool and spa with vibrant color - even those with just one light. Universal CrystaLogic Pool & Spa Lights Select to Compare Universal CrystaLogic Pool & Spa Lights Universal CrystaLogic white LED lighting is available to virtually anyone. Its all-plastic construction is truly universal because it's UL-listed to retrofit virtually any installed niche, allowing most lights to be upgraded.