Just get the sensigrow A&B and Sensibloom A&B
and your good to go.
No additives.
I use F1 and Sensizyme,
but they are not required.
Invest in a good pH meter like a PinPoint
and calibrate your meter often.
Keep the rez temp below 69ºf
I like 66º
DWC is a fast fun way to grow hydro.
