turface & pumice

emee(7)July 31, 2014

I've read so much on soil mix that I'm very confused. Is turface & pumice the same thing? If so, is pumice, turface & poultry grit used in same mix? The way I'm reading some of the recipes it seems that way. I would think only one of the 3 would be used. Excuse my ignorance. Thanks for advice.

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There's many variations and everyone mix their soil a bit differently. From what I understand Turface and pumice are interchangeable, but they're different from grit because they hold a bit of moisture while creating air pockets, but grit is just for drainage.
Please correct if I'm wrong!

    Bookmark   July 31, 2014 at 11:48AM
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nil13(z21 L.A., CA (Mt. Washington))

No, turface and pumice are not the same. They have different properties and are not interchangable. Tueface is calcined clay and holds quite a bite of water. Pumice is a volcanic rock that drains quickly and provides a very good air tobwater ratio. You can grow plants in straight pumice that would drown very quickly in straight turface gravel has fast drainage and without the internat pore space of pumice holds even less water. It also has a much greater bulk density which can be useful for designing container soils for high wind areas.

    Bookmark   July 31, 2014 at 12:51PM
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Thanks for clarifying that for me.

    Bookmark   July 31, 2014 at 3:25PM
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