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I am looking for new ways to flood and drain a media grow bed. I am very familiar with the auto-siphon technique but I can find it very frustrating to get the components just right. What are some other techniques you use to flood and drain a grow-bed? Ideally, what do you want out of the flood and drain action? So far, all I can think of is:

  • reliability
  • quietness
  • consistency
  • ability to flood and drain a grow bed while consistently running a pump

But for experienced growers, what else do you want in your flood and drain components? What are some other techniques besides a bell siphon? Are moving parts really that big of a deal?

The two biggest problems with auto-siphon's that I have come across are, 1. inability for a siphon to switch on when water level get's high enough. 2. Unable to break the siphon. 
Of course, the way to solve this problem is to place a small cup under a snorkel like in this video: https://www.youtube.com/watch?v=s_brue6URFg

Also, bell siphon's don't tend to work for small grow beds very well. 

Don't get me wrong, bell siphons can work wonders for some people, but what else are people using?

I am simply doing research to see what else is out there. 

Thanks, 

Joel 

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I developed a siphon  called the EZ-T Siphon. It is simple to put together, reliable and great for small grow beds.

http://youtu.be/PnZRklJxAeQ?list=PLIJ5U9TbuWLFpmkrrT3JU-HIjHGqnNSUn

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