Well.. I will show you my new opti white nano tank
Tank details:
Tank: 30×30×30 Opti nano-cube
Light: DIY 24W/865
Filtration: Tetratec ex 600
Substrate: JBL Aqua Basis plus & Knott Nature Soil.
Hardscape: Lava rocks, Beech tree (roots)
CO2: Pressurized CO2 system
Fertilization: EI. + Easy...