Below is a list of diy nutes from fatman, what i dont understand is how did he come up with these numbers? I know they mean ppm but how did he get the ppm figures? Nitrogen 267 Phosphorus 82 Potassium 291 Magnesium 93 Calcium 261 Sulfur 123 Iron 10.00 Manganese 5.00 Boron 5.00 Zinc 5.00 Copper 1.00 Molybdenum .09