Here a student is constructing a simple gravity-fed irrigation consisting of a food grade barrel elevated one foot off of the ground and tapped with a hose bib.
The pressure that drives the water form the barrel is equal to about 1 pound of pressure. Though it's not as efficient a watering source as a household hose bib it helps the Filbert Street gardeners tend to their plots without hooking up to the hydrant.
The pressure that drives the water form the barrel is equal to about 1 pound of pressure. Though it's not as efficient a watering source as a household hose bib it helps the Filbert Street gardeners tend to their plots without hooking up to the hydrant.
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