Since a lot of people are complaining with bell siphons, I did not bother with building one for my grow bed inside a 6×8 feet greenhouse. I chose to build a simple spiral siphon, easy to start and easy to break. Here is the video (if you live inside China and can understand Chinese, click here to see video served from QQ):

Normally, with the so-called u-siphon (this is the video where I got inspired from) made out of a few elbows and two 45 degree PVC connectors, it is easy to start but hard to break the siphon. But after playing with it, I came up with this simple design.

Instead of installing it inside a grow barrel, I installed it outside to make everything external. This change is make everything super easy.

Published by Aubrey

After obtaining his PhD in Electrochemistry in 1994, Aubrey has done many things over the past 24 years, such as post-doctoral research work in Materials Chemistry at UIUC (Urbana-Champaign at University of Illinois), lifetime free-lance preaching, current director of TheoLogos Publications, 014599190 Global Inc, and, former salesman of diamond tools for Superprem Industries, former director of DiaSolid Kitchen & Bath, finishing carpenters, etc. Currently taking injury leave from working for CRE Green, a solar company in Kelowna, BC. After all these experiences, his life motto is this: sharp mind must combine with skillful hands.

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