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soil substrate OR gravel and laterite?
Dear Plant Experts,
Reading through some old issues of The Aquatic Gardener, I found lots of
suggestions to use potting soil covered with a little gravel as a good
planted aquarium substrate. On this list and it's archives I haven't
heard much of that approach, and many books I've looked at have
suggested gravel & laterite. Has using a soil substrate gone out of
fashion, or have people fund that gravel & laterite is better?
Thanks for your advice,