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Perlite

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Perlite may be the most commonly used growing medium in the world. This excellent product is used by hydroponic as well as organic gardeners. Perlite has excellent "wicking" action yet doesn't absorb water giving the plants roots plenty of oxygen. Commonly used in a mixture with vermiculite.

Sponge Rock is a very large grained perlite (6 -12 mm in size) that is popular among orchid growers. All come in 4 cu ft bags. Simply Hydroponics and Organics sells only high-quality agricultural grade coarse perlite.

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Perlite

8 quart bag

$4.95

4 cu. ft. bag
(120 quart)
$18.95

Sponge Rock 4 cu. ft. bag
(120 quart)
$33.95

 

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