Hi, i've been growing in soil for a while in an apartment and its a bit messy so i wanted to change to something cleaner and that wouldnt make me move much so i decided to go organic hydroponics i've build a system and im still deciding if i do ebb&flow or NFT but my major problem is i dont know what free source i can use for flowering stage, i've read somewhere that worms if fed specifically will give a nute ratio that will work in flowering stage, but i see most people only uses it for veg or as an additive for flowering... And since i cant have bats in my apartment i was wondering if there's any other free source or if the worm castings work for flowering stage. Here's what i've build:
