Does it make any difference what kind of sand I use in soil mixtures?
Coarse or “sharp” sand generally found on river bottoms is preferred. This is the kind usually sold at masonry supply houses. Sea sand is often finer but, of course, it is salty. If used, it must be washed in fresh water for about fifteen minutes. Vermiculite and perlite are excellent substitutes for sand in potting mixtures.
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