Simon's Simple Hydroponics Plans

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Perlite has been around longer than any other soilfree growing medium. Made from air-puffed glass pellets, and nearly as light as air, perlite has excellent oxygen retention. Its ability to retain oxygen is the main reason it is used as a supplement in soil and soilfree mixes. The main drawback of perlite is its lightweight consistency, which makes it easy to get washed away. This drawback makes perlite an inappropriate medium in flood and flush type hydroponic systems or those that would be subjected to strong wind and rains if situated outdoors.

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Growing Soilless

Growing Soilless

This is an easy-to-follow, step-by-step guide to growing organic, healthy vegetable, herbs and house plants without soil. Clearly illustrated with black and white line drawings, the book covers every aspect of home hydroponic gardening.

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