flowerdave
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I grew flowers in a large greenhouse operation and we fed a lot of crops everyday about 200 ppm N never above 300 ppm. On the EC meter it would read about 2.0 to 3.0 depending on the water source. My question is on here people talk about 600ppm and more that they a feeding. That would put the Ex reading at over 5.0 and to me that is crazy high. Is that correct for cannabis to be so much more than other plants?