nimbulan wrote:Sand results in denser, heavier soil. I feel like you need a higher proportion of sand to actually improve drainage compared to perlite, though perlite actually does retain some water. Perlite should not float in the pot unless your peat isn't absorbing water properly (due to an algae infestation or something similar,) allowing water to pool on the surface of the pot. It does tend to stay put when the peat gets compacted by rain and will be more visible on the surface.
Right. I never let my media get so wet that there are floaters anyway.... But ultimately I think it's just grower preference. They both accomplish basically the same thing, just need to shift proportions depending on which you use. Sometimes I even use both just to spice it up
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