The ff nutes are amazing! A single set of the three has lasted me three growsw so far, and I have like half left. The beasty budz in particular is amazing. I can't picture growing without them.open sesame really kickstarts flowering. Cha ching is the only one you have to be really careful with, its stronger than the others and can nute burn more quickly.How do you like those ff nutes? I have never used any and was thinking about getting those. Are they easy to use?