Right now my BD is in a 20 gallon he's only a baby. I was looking on youtube and oher websites. I see how they build them and all that but i have a few questions. Do you need a floor heater or no. I've seen ppl use tile and a floor heate wont heat that so it was just the light heating the floor. I wanna build something about the size of a 40 gallon breeder. Idk the cost but for a new tank and floor heater it would be somewhere around $160 for an enclosure and heater. I've been searching for a used 40 but can't find one yet. Any ideas?