Question about fertilizer

Hey everyone, got 5 early misties on the grow right now, they r all showing the 3rd nodes, so i know i donty have to worry about fertilizer for a little while yet but.. When the time comes, do you have to use a 20-20-20 fertilizer? I already have a ton of other fertilizers I have used for other plants, just wondering if they would be suitable for growing weed..

try to stay away from those chemicals use organics only in the end of flowering alaska fish emulsion works good not that strong but it works

20-20-20 is fine for veg. 10-30-20 for flowering. I like Jacks Classic myself. Fully disolves for good uptake, and has micronutrients, and can be found at your local garden center.

do up alist of the other ferts and we can help