My tank is a little one, custom built for a project - 390mm wide, 320mm tall and 160mm deep, so around 20L...give or take.
It will house one betta fish - on the guidance of this forum!
So far i have purchased:
- Coral ornament (180mm x 110mm x 130mm)
- Mini water filter (200 Litres Per Hour max - can be slowed to ~100)
- 50W nano heater
- Digital thermometer (and a back-up sticky one)
- White aquarium gravel
Have i missed anything out? i know i havent considered testing kits, food, quite importantly fish...but they'll come once i've moved house next month so the fish aren't moved.