CANADA 
English
The AirDome has been designed to increase the amount of air around the root zone in the pot. It is very simple to use once assembled, which will take less than 30 seconds.
The AirDome is placed at the bottom of the pot, covered with compost and then connected to an air pump.
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APAIRDOME/1
Specific References
If you are lucky enough to have power in your greenhouse this little addition can increase yields by up to 130%.