I've never bought cal-mag as an additive as I've never suffered any deficiencies. What the best stuff to buy (brand)?
This is the only other pic I've taken since....
[URL=https://www.icmag.com/ic/picture.php?albumid=54361&pictureid=1287724&thumb=1]View Image[/url]
Had the same problem on this first run with the dog jones mate. Never run any of the chem line before, had to make a quick dash to the grow shop for cals/mag.