Once your grow bed is set up, it is important to check the bell siphon is working and that the stand pipe is at the correct height.
Using a semi-transparent grow bed allows you to see the height of the water rising which helps to callibrate everything.
Initially use a high water flow to check the siphon is working, but once it is set up a slower water flow can be used. Once the grow bed fills to the top of the stand pipe, water should start dribbling out of the down pipe. Depending on how much optimisation and experimentation you did with your bell siphon effects how quickly the siphon action takes to kick in.
The water will start to drain rapidly and once the water level reaches the highest slit on your bell siphon, this process will stop and the grow bed will start filling again.
Letting this cycle occur a few times will also wash any residue left on your gravel that could potentially clog the system or poison your fish and plants.
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