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Scanning electron image  showing the expanded clay aggregate nodules, field of view inthis image is 3 mm . 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.
Scanning electron image showing the expanded clay aggregate nodules, field of view inthis image is 3 mm . 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...
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Filename: K14SEM-claynods-78.jpg
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