Yesterday I completed the new aquaponics control system - basically the same as the old one but just in a nice enclosure. I'm planning to add two leds which will indicate whether water is flowing in or flowing out of the tank. This can easily be done with the analog input that I have from the float meter pot.
The bean is really taking off and the cucumbers seem to have settled in. Not having any prior growing experience, I was wondering how long it would take. It's now less than two weeks since we planted the bean seed, and it is already about 1 foot high. The lettuce is sprouting its second leaves and I have transplanted some of it from the sand to the gravel.
I think the gravel is too big and so the plants dont really manage to get a good roothold.
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