[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life, but what ...
Fresh vegetables do not require acres of land or expensive raised beds. A simple stretch of sunlight, a bit of PVC pipe, and clever design can turn even the smallest space into a thriving food factory ...
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