When I moved beyond the Kratky method, I experimented with the Deep Water Culture (DWC) setup, where the roots are submerged in nutrient-rich water. This method requires an air pump to oxygenate the water, which helps roots access what they need for optimal growth. Setting it up was relatively straightforward, and the system runs quietly in the background.
If you're thinking about plants to start with, I'd recommend beginning with leafy greens or herbs that aren't just easy to grow but are quite rewarding because they can be harvested regularly. A friend of mine had great success with arugula in his first go, and I loved watching my basil thrive!
In terms of maintaining the nutrient levels, it's a bit like keeping an aquarium. Regular monitoring is necessary. I made a routine out of checking the pH and nutrient concentration (using tools like a pH meter and an EC meter) every week or so. It ensures that the plants are getting balanced nutrition, which is something they can't negotiate around like they might in soil.
For pest management, I've relied on integrated pest management (IPM) techniques. For example, introducing beneficial insects like ladybugs can naturally control aphids without introducing harmful chemicals. Keeping the environment clean and moving can also deter some pests.
I'm curious, have you looked into any specific hydroponic kits or systems available for beginners? There are so many out there now that it could get overwhelming, but forums and reviews can be really helpful. What obstacles do you foresee, or what aspect of hydroponics most excites you?