Unexpanded perlite

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SteveW
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Unexpanded perlite

Post by SteveW »

My local club just bought a stash of potting mix materials.

One of the products is unexpanded perlite. There doesn't seem to be much on the net about its horticultural properties. Apart from being a good particle size (1-4m), does it have any special horticultural benefits that make better it than similar sized sand or gravel?
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Re: Unexpanded perlite

Post by kcpoole »

I have it available and usually in stock and is a product from Ausperl here in Sydney
I have discussed it at length with the staff there and they have advised that chemically it is identical to Pumice and holds a similar amount of water.

Ken
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