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I am aware there are a multitude of trace elements but wanted to speak NPK fertilizer.
As I gather during veg stage you need more nitrogen rich feed and when you plan to flower switch to a more phosphourous based feed. Could this please be confirmed. Currently I found basic organic plant food feed which works very nice (very cheap). I would like to use some flower feed at some point and wonder if you had to use the cannibis specific products ?
These seems a bit tricky/risky to get here so wondered if someone could direct me towards a basic organic (if possible, I am not too hung up on organic) feed ratio for flowering de herb.
Also do you start feed change as soon as you change light/dark periods or leave it a while?