超高級水草を完全放置で増やして５年が経過しました。【アクアリウム】植物育成・観葉植物・ブセファランドラ・アヌビアスナナ・水草水槽

Here is my negative aquatic plant farm at home, it has increased about 5 times in 5 years.
I am always looking for the easiest way. Please comment if you have a better way that doesn't take up too much space.