Let’s take a look at the Pablo lettuce grow. See nutrient concentrations over a grow using the Kratky method. Also, my opinion about hydroponics. The grow was 7 weeks long. Seeds started in rockwool. Grow method/Media: Kratky. Tub/Tote filled with nutrient solution. Styrofoam resting on top of tub. Hole saw Styrofoam to the proper size of net cup. Place seedlings in net cups. Suspend net cups in solution. No air pumps required. And do not add additional nutrients/water! Leave the gap between the surface of the water and the Styrofoam as the plant grows! Nutrient: Dyna-Gro – Grow. Adjusted nutrient concentration to 700 PPM. pH: Adjusted to 6.0. Light: Grow was conducted in the lowest lit area of the grow room under 400 Watt Metal Halide. 12 On / 12 Off. Production: Ten heads of lettuce. Three pickings. Good tasting lettuce – does not grow uniform. I give the grow a rating of 3 out of 5 seeds. Very easy – but subtract 2 seeds because of the uniformity issues of the plant. Related PostsEasy to Grow Hydroponic Lettuce Using the Kratky MethodRegrow SuperMarket Lettuce Hydroponically: Bug Free and Soil Free using the Kratky Method!Hydroponic Tomato Experiment Time Lapse – Kratky MethodHydroponic Kratky Lettuce Grow #2: Lettuce TubMwami Mlangwa farms lettuce using hydroponic method in Tanzaniahydroponic gardening how to grow Salvia in Water | kratky method |Indian Hydroponics
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