here is the break down wardy...
fyi, big bud 0-1-3 is:
4.4g potassium phosphate
9.5g potassium sulphate
per L of solution. this is less than $0.20 worth of salts! one $6 500g tub of potassium sulphate will make 52L of big bud...over $2,000 retail. AN brags about ROI with their products. lmfao