'Ello! I have a 37 gallon tall tank, (20" wide, 18" deep, 24" tall), and I have three 15W bulbs hanging out on top, giving me about a 1.21 WPG ratio. I have some plants in the tank, but it is not "heavily planted" as some would say. I am trying a CO2 DIY method with the yeast and sugar, but not...