a Diana Walstad Aquarium

最近很有興趣想弄一個生態魚缸. 一種在魚缸內養了整個生態系統的小魚缸, 有很小的魚, 海草, 和田螺. 聽說水可以一年不換, 食物必要時可以長時間不餵. 挺有趣吧, 決定今天要去找一下.

ok just been to new Yaohan and saw this two tank:




So nice seeing prawns and little fish eating micro livings and real plants growing. i guess i will get one in japan...