A layer of gravel approximately .5-1 inch [1.5 -2.5 centimeters] on the very bottom of the container. Next a 1.5-3 inch layer of 50% perlite and 50% peat has worked well for me. There are other "recipes" out there. For example some people add charcoal to their media. Dried or live sphagnum moss can also be used.
Entered by Paul_
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