Mike Haasl wrote:
Gravity watering is a different animal though. How much head will you have from the tank to the garden? Drip irrigation needs some pressure and you need 2.3 feet of head to get 1 psi.
Ok, then it sounds like you'll either have to pump the water down from the tanks to the garden to develop pressure or you'll just be hand watering (which is fine also).
John F Dean wrote:Best guess is that the bottom of the tank will be 5 to 6 feet above the top of the highest raised bed.