Valve Failure

Today I notice one of my growbed (Basil Growbed) the valve fails to cut off water. This valve was running without any issue for the pass six months or so, ever since I assemble it to this growbed.
The plant growth around it is a lot and took some fiddling to get to it. I have never clean this valve from the initial installation. I did not want to change or adjust anything yet to see whether a simple maintenance will resolve the problem.

I proceed in removing the cover and bell and do the cleaning of this valve with a bottle brush and put the bell and cover back in position.
I waited for the flushing and what more important is the cut-off, as expected it cut-off without any more problem.

The cleaning did rectify the problem of no cut-off and probably this is the only action needed to be done when ever failure of water cut-off occur.

Simple maintenance on the Bell Valve.


  1. Did you find any root material when you cleaned it out? Is it possible that the roots might have grown into the valve and messed things up? If so, occasionally twisting the outer piece might be needed. Props on the valve and your blog. I'm setting up an indoor system this week and I'm attempting to build this valve. I'm having a lot of trouble finding the fittings. Home Depot and Lowe's don't carry what I need. Gonna go to a more specialized store tonight. Wish me luck.

  2. @Clint, firstly not necessary to have exact components. As long as you can make that funnelling adaptor is good enough.

    On my cleaning, I did not find any root material. I only clean the inner tube with bottle brush. Plant root in Aquaponics do not travel far, hence their root system do not venture out and cause problem (not yet)this because of the nutrient availability is all around.

    Good luck with your setup.

  3. I have been successfully running my set-up since March. Thanks, for all the help and information. I have strawberries and tomatoes growing. I have many buds on both plants. I have already grown Cilantro to maturity. I am a little worried about my system cycling as often as it does. I have it running indoors in front of a small window. The grow bed is 2 ft by 2 ft by 6 or 7 inches (the best I could find at the time). My question is, if I get a larger grow bed, will my siphon take longer to cycle through? I can post a video to youtube if you want to see what I'm talking about.

  4. By the way, I was talking about the funnel adapter. They have nothing like it at regular home repair stores. I had to go to a more specialized store and I still didn't find the one with the 2:1 step ratio change you mentioned. I had to go through a connection I have in the construction industry. If we could find an online source for the adapter, it would be quite helpful. Thanks for all the help.

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