It’s been so long, I can’t remember the last time I posted.   I took some time off from my project over the holidays, and have just begun to get back in the swing again.   This month, I began testing my tank and grow bed by filling them with water and cycling the system to insure the bell siphon would work properly.   I’ve now got it set where it takes about 35 minutes to fill the grow bed, then 10 minutes to drain. This picture is of my first siphon setup.  I’ve since changed my bell from  2″ to 3″.  With a 3″ bell, I no longer needed the cap on the filter, as the bell fills the 4″ filter completely, not allowing any media to enter.   I also added a 2″ to 1″ reducer on my stand pipe which greatly improved the starting and stopping of the siphon.  Unfortunately I … [CLICK TO READ MORE]