This is day one of my home built ebb and flow (flood and drain) hydroponics system. I designed it to fit inside of my closet. Sorry for the crappy view, I would try to move around more but my camera isn't working unless I plug it in while recording. I started my tomato plants in 1" rock wool cubes, then transplanted them into Hydroton expanded clay. A water pump (that will eventually be on a timer) floods the tray several times a day. An air pump aerates the nutrient solution to provide the roots oxygen. For a nutrient solution I went with a 3-2-4 synthetic solution. I am using a 400 watt HPS bulb with an old school analog ballast. The analog ballast is pretty loud, if I had the money I would definitely consider upgrading to a digital one. I am hoping to get some fans in my closet too, I hear that is pretty important.
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