hydro, 7 gal res, using distilled water
This is a simple question. When I begin to mix my nutes I go in this order.
1. 7 gal Distilled H20
2. Botanicare Cal Mag Plus - up to 150TDS
3. 70ml Hygrozyme - 10ml per gal
I go on to add some other nutes, but those are irrelevant to this question...