Goandwin 2 Pack 18 inch F15T8/BL Replacement UVA Black Light Blue Bulbs, 15Watts T8 BL Linear Fluorescent Lamps for 30W Machine,350BL -365nm - - Amazon.com
One year, one major rescape into a peninsula tank and one or two more plants. 75 gallon, low maintenance : r/PlantedTank