The hydroponic system has been started for some lettuce plants on the patio. Mostly an experiment for now. It’s built with a 35gal trash can and some spare parts. So far it’s working well.
We sourced hydroponic nutrients from Texas HydroPonics here in Austin, TX. Soon, we’ll be making compost tea from our compost to use as our nutrient solution. That’s done simply by using aquarium air pumps to aerate a mixture of compost and water.