Substrates - Soil

Potting soils
clay Clay beads
Vermiculite
Sphagnum moss
Diatomaceous earth
Rock wool
Coconut fiber
Pozzuolana
perlite Perlite
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Substrates - Soil

What is a substrate? The substrate is the medium used to grow plants. It can be soil, potting soil, clay balls, rockwool, perlite, coconut fiber. The substrate is extremely important because together with water, it is the basis of the plant's life. A substrate must have an adjusted pH to allow the plant to properly absorb the nutrients at its disposal.