What nutes to use in dwc

What mutes should I use in this punk ass dwc set up. I know this is probably the millionth post on the topic so if you could redirect me to one that already has answers, that works too! I owe you muchachos/as my first born ya dig.

P.s. how often do I add/ change the stuf?
 
Anything not organic , advanced , gh , etc. How often you change depends on you the amount of water you use , what stage your in etc. Most change weekly or every 2. Good luck.
 
depends how much brains and money you want to invest. I chose to get fertilizers in chemical parts and mix myself, very economical, you would count cost of ferts in cents, efficacy is the best because you control exactly what you add, but it requires some study to do right.
 
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