Soil question for the Walstad tank

The Walstad Method Tank Guide — Buce Plant

Soil question for the Walstad tank, Page 4

Question: - For those whose Axolotls live in a Walstad Planted

I just saw a person using organic potting soil for substrate in a

Soil question for the Walstad tank, Page 3

Can I add soil to an aquarium while fish live in it? - Quora

15.8. Walstad Aquarium

Walstad/similar methodologies - your experience - General

Imgur: The magic of the Internet

Aquarium Walstad Clay Soil (loose-1 kg) - Buy Aquarium Plants and

Soil question for the Walstad tank, Page 3

10g Walstad Tank @6mo : r/PlantedTank