I'm NOT a Hydro grower, but that's def a lockout, Possibly salt related.


If your invested into it deep enough to be running DWC with any nute line you should be using the proper tools for the job!

PH DOWN is Phosphoric acid, not sure what PH UP is, but I'm betting it's NOT baking soda


CalMag is basically Molasses http://boards.cannabis.com/basic-gro...oodness-2.html But having a CalMag Hydro additive on hand is probably the best way to go.