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Old June 17, 2012   #7
amideutch
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Location: Germany 49°26"N 07°36"E
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If you are going to use synthetic ferts keep the (P) Phosphorus down as if it is high in Phosphorus it can cause problems with the microbes. I'm assuming your looking for immediate nutrient availability to the plant in going to synthetic ferts.
Just remember that in SWC's (EB's/Tainer's) your growing in a closed system with no drainage compared to open containers and salt build up from your synthetic ferts can be a problem. Ami
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