What are /r/GardeningWhenItCounts' favorite Products & Services?

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Sepp Holzer’s Permaculture

The spigots are actually two pieces:

A regular, single spout that connects to the barrel itself, like this.

The link above is, I believe, exactly the type I ordered online.

And a two-prong adapter that screws onto the original spigot and allows for linking. I did find these components at Home Depot, but it appears they’re also readily available online.