Hey, i am new here. I have a 20g flat hexagon fish tank with 1 flower pot, 2 piecies of slate, i plastic plant, 1 male turquoise jewel( he beat the crap outta his mate), 1 heater, and 1 20g bio-wheel filter. I also have a 30g tank with a dalmation veiltialed angel, and a black veil tail, also i...