UF....look at the pictures at the top of this page. The 'top picture' shows the lower section of the siphon drain, See the bottom of the metal shelf, at the top of the same picture?........ his buckets(grow beds) are sitting on it.Originally Posted by urbanfarmer
Here's an overall picture of his system....
No Fun with Hydroton
I'm 'guessing' the 'down' part of the drain is just over a foot...(?)