walstad method

Using plants (as well as some gravel) acquired from someone local who shut down their tank, I made an 8 litre ecosystem.

Afternoon all,   My tank did have a sand substrate but I was fed up of the waste showing up on it so easily and the plants were not not doing great.   Inspired by the Walstad method, I've replaced the sand with compost, re-planted the best of the old plants, and used plum slate from a hardware...