As well as being used for drainage and aeration, Eden Essentials Clay Pebbles can also be used as a stand-alone growing media in hydroponic systems.
 
Higher Nutrient Uptake
Eden Essentials Clay Pebbles help your growing medium get more air and therefore encourage faster and stronger roots which can uptake more nutrients. 
 
KEY FEATURES
10-20 mm clay pebbles
Encourages faster root growth
Suitable for hydroponic systems.
Great water and air capacity.