Before Takashi Amano revolutionized the planted tank hobby by introducing CO2 and before the introduction of “Aqua Soil”, hobbyists either use dirt capped with sand or just plain gravel. This was the old way but it does not mean that it’s wrong and the new way is better. It’s just another means of achieving the results of healthy plant growth.
DIRT Planted Tank Setup - How to SOIL an Aquarium
How to get rid of algae in a fish tank naturally - Help Guides
API® Blog Caring for Live Aquarium Plants
Substrates for a Planted Aquarium
How to Clean Aquarium Sand - Pond Guides
CO2 Aquarium Specialists Blog Page 4
The Dirted Aquarium Substrate Part 2 – DustinsFishtanks
Petzlifeworld (1kg Aqua Soil and Carpet Leaf Plant Seed) Planted Aquarium Black Soil Loose Substrate Aqua Soil : : Pet Supplies
Creating Your First Planted Aquarium: A Step-by-Step Guide for Beginne – Aquarium Plants Factory
How to Choose the Best Color Spectrum for your Freshwater Fish
How to Fill Your Tank Without Making a Mess! — Sunken Gardens
Substrates for a Planted Aquarium
Aquatic Plant Basics