Haha, I'm no expert on ANYTHING bro, lol. (other than growing mushromms :firedevil: ) I think you're taling about NPK numbers. When you buy hydro nutrients they will generally come with a feed chart. like BGRT said, and it'll tell you exactly how much to use depending on what type of system you are using and how old your plants are.
Live Stoner Chat Hello, need some help.
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