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Coarse vs Fine Perlite

Posted by Oxboy555 Las Vegas (My Page) on
Fri, Aug 23, 13 at 14:54

Is "coarse" perlite considered anything above sand texture? Pinhead size? BB size?

Just wondering what the minimal acceptable perlite size is for the 5-1-1.

thanks.


Follow-Up Postings:

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RE: Coarse vs Fine Perlite

Coarse is generally 1/4 inch or better.
Most Perlite is dusty crap with very little coarse particulate. I rinse my Perlite if it is inferior, and keep only the stuff over 1/16 of an inch....

Josh


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RE: Coarse vs Fine Perlite

FWIW, large bags of course perlite are usually available at hydroponic stores.


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RE: Coarse vs Fine Perlite

Ed, that used to be the case at the local hydro shop....they were carrying Sunshine #4 Coarse Perlite - 4 cu. ft. bags for $20 - and zero waste. The stuff was clean and beautiful. Then, the owner started buying the cheaper stuff, and that was the end of that. I made the mistake of getting the new product, not knowing that it would be half-dust. Same price, half the product....

Josh


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RE: Coarse vs Fine Perlite

I found a hydro place selling perlite the size of small marbles. Are those usable for anything? Anybody had any luck breaking up perlite into smaller chunks?


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RE: Coarse vs Fine Perlite

ox

good for orchid mix

dave


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RE: Coarse vs Fine Perlite

  • Posted by saood Saudi - 10b (My Page) on
    Thu, Oct 10, 13 at 9:27

I see the BB size reference quite often on GW. Does it mean 4.57 mm (0.18 inches)?


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