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commercial 1 gallon system.
Questions regarding the commercial 1 gallon system. I'm using a 10 X 20 foot greenhouse and would
like to know the optimum spacing and number of plants i should be able to grow. Is gravel the preferred growing medium or should i be looking into grow rocks? If the system uses top feeding, is this a 24 hour operation? Lastly, what is the best way to maintain a nutrient reservoir. Should I use a flushing valve to maintain water level or is it better using an eductor and flushometer. This is my second year and a half experimenting with hydroponics. Last year i manufactured 4 two foot by seven foot tables and plumbed them together to yield 56 plants using perlite as the medium with approximately 6 feedings per day since i live in California. What i did learn quickly is that i have to cool the greenhouse significantly and i hope to accomplish that this year with screening. (due to lack of funds). What i would like to do is expand and modify the grow tables to use the sewer pipe. I like your site because it is the only one i've seen that appreciates the initiative of it's members rather than trying to sell over-priced minute systems based on traditional growing methods. Thanks in advance for any support. |
#2
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Sorry for not answering your questions sooner but I got five things going at once. Got to make a
living. For a 10 x 20 greenhouse I would space them 24 inches from center to center. I would add as many rows as you can with room to walk between rows for harvesting. Tomato plants can get big so I would give each plant 4 sq. ft. for room to grow. Yes I drip feed from the top 24 hours but you don't need to when the sun goes down. A photocell switch would work well. With hydroponics you want to automate as much as possible. Gravel is ok if it is porous enough. I prefer grow rocks because it is lite weight. Gravel can get pretty heavy. Here in Florida we have to use swamp coolers to cool greenhouses even in the winter. Ron |
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