Expanded clay aggregate nodules

Photograph showing the expanded clay aggregate nodules, the largest is 1 cm in diameter. Expanded clay aggregate is a lightweight ceramic manufactured in in a rotating kiln. This material has a very high surface area due to all the holes and cracks. It is able to collect hydroponic chemicals and air to nurture the roots of a plant. This is an excellent delivery method for nutrients and plants can grow at maximum rates using expanded clay aggregate. A typical hydroponic system will wet the aggregate several times a day.

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Filename: K14-claynods-77.jpg
Copyright: Ted Kinsman / Science Source Inc.
Image Size: 4582x3117 / 7.0MB; clay aggregate nodules hydroponic
Contained in galleries: science

Photograph showing the expanded clay aggregate nodules, the largest is 1 cm in diameter. Expanded clay aggregate is a lightweight ceramic manufactured in in a rotating kiln. This material has a very high surface area due to all the holes and cracks. It is able to collect hydroponic chemicals and air to nurture the roots of a plant. This is an excellent delivery method for nutrients and plants can grow at maximum rates using expanded clay aggregate. A typical hydroponic system will wet the aggregate several times a day.