How to grow lettuce (and anything else) using the Kratky method of fill and forget non-circulating hydroponics. In this video I show how to build a system for growing lettuce using the Kratky method. I demonstrate the steps to start seeds and setup the container for growing. I have a written tutorial of this method available on my website. https://www.pepperinfo.com/how-to-grow-lettuce-using-the-kratky-method/
Information for acquiring and mixing nutrients can be found here: https://www.pepperinfo.com/hydroponics/hydroponic-supplies-nutrients/ and https://www.pepperinfo.com/hydroponics/hydroponic-tools-supplies/.
The Park Seed Bio Dome sponges can be found here: (link) http://amzn.to/2mrHxNJ