Quote:
Originally Posted by Joe Lyddon
Perlite ... retains moisture too..
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To the contrary. The main reason to use Perlite is that it retains AIR. The volcanic foam does not absorb (much) water but retains oxygen to keep saturated roots from drowning. And of course as a relatively large particle (>1/8" mostly) it improves drainage and drops that PWT. So yes! it would be a good addition.
Also, I find the Miracle Gro Potting
Mix (not Soil) a good all-around compromise - depending on where you are. In Georgia it's great. In Texas, not so great but better than the alternatives. Each region uses the available ingredients.