TrolMaster - Hydro-X Lighting Control Adaptor T (to control ThinkGrow LED)TrolMasters Hydro x system can control most of the supplemental lighting fixtures sold today. Most light manufacturers provide the ability to control their lighting systems using what known as a low volt control. That low volt control can take many forms and communication protocols. TrolMaster makes several types of lighting adapters (LMA units) that allow the Hydro x to control lights using their low volt control option. The LMA T lighting adapter is