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Perlite

AUD $30.00

or 4 payments of AUD $7.50 with 

SKU: Perlite 100 Ltr Bag Categories: , Tags: ,

Description

PERLITE – 100 Ltr Bag 

Perlite is not a trade name but a generic term for naturally occurring siliceous rock. The distinguishing feature which sets perlite apart from other volcanic glasses is that when heated to a suitable point in its softening range, it expands from four to twenty times its original volume.

This expansion is due to the presence of two to six percent combined water in the crude perlite rock. When quickly heated to above 1600°F (871°C), the crude rock pops in a manner like popcorn as the combined water vaporizes and creates countless tiny bubbles which account for the amazing light weight and other exceptional physical properties of expanded perlite.

In horticultural applications, perlite is used throughout the world as a component of soiless growing mixes where it provides aeration and optimum moisture retention for superior plant growth. For rooting cuttings, 100% perlite is used. Studies have shown that outstanding yields are achieved with perlite hydroponic systems. Other benefits of horticultural perlite are its neutral pH and the fact that it is sterile and weed-free.

It is used with equal success in greenhouse growing, landscaping applications and in the home in house plants.

 

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