Hello, i`ve just inherited a 45 gal tank with numerous fish: 1 x Plec, 1 x Black Molly, 2 x Albino Corys, 4 x Glowlight Tetra`s, 4 x Neon Tetra`s, 2 x Cardinal Tetra`s, 1 x Chinese Algae Eater, 2 x Albino Red Fin Sharks, 2 x Clown Loaches, 1 x Scissor Tail Rasbora and 5 x Guppies (1 sadly died...