We have started using livestock tanks to water our pigs in an easy, simple way that uses a gravity feed system with very little wasted water. Our pastured pig waterer works great for us.
It might be better to switch to the 1/2" air hose because fittings are easier to find. I prefer the plastic light tan watering tanks made by Behlen Country, but you can also use the rubbermaid 50 gallon livestock tanks. Local stores tend not to have the air hose or the specific Jobe Rojo valves that I like, but they usually carry the livestock tanks.
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Jobe Rojo Valve with 1/2" stem amzn.to/3pe7CEp
Jobe Rojo Valve with 3/4" stem amzn.to/3NOcgDq
Flexzilla 3/8" Air Hose amzn.to/44Gcja8
Flexzilla 1/2" Air Hose amzn.to/42B4Kj9
Rubbermaid Stock Tank amzn.to/42V0wn1
IBC Tank Adapter amzn.to/3VIcEFn
The IBC tank adapter says that it fits a garden hose, but everyone that I have received is actually a 3/4 inch male pipe thread. I prefer the pipe thread because I do not use garden hoses. Despite the incorrect information, I prefer this adapter because it is a better one than the others I have tried.
00:00 Introduction to Pastured Pig Waterer
00:19 Waterer for Breeding Pigs with Big Heads
00:47 Waterer for Feeder Pigs
01:25 Pastured Pig Waterer Components
01:50 Installing the Jobe Rojo Auto Fill Valve
03:19 Attaching Flexzilla Air Hose
05:47 Variations on this Watering Setup