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Old February 5, 2017   #26
Hoosier
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Join Date: Feb 2013
Location: Indiana
Posts: 97
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I am going to do some grow bags this year for the first time. I am trying to balance the size to the amount of potting mix and watering needs with also an eye to the size of the plants. I will be growing large indeterminate varieties in them. At first I was going to go with 20 gallon but am considering 15 with the potting mix being 3.1 cubic feet to 2.3 cubic feet respectively. Not many options here on making your own mix as nobody carries that stuff consistently. Unless I am able to rig an auto watering system they will only get watered very early in the morning and sometimes late in the evening. So will 15 gallons get me or should I bite the bullet and go with 20 or larger?
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