What would plants with too much Cal/Mg look like? Would the leaf tips be burnt? Would the sides of the leaves curl downward? A pict would help a lot. Lots of deficiency picts out there. Does it look similar to a deficiency? What are the characteristics of too much Cal and/or Mg? I'm using Advanced Nutrients 3-part with RO water. Label says even when using RO water, Cal/Mg not necessary. I've heard otherwise. Please advise. If you'd like to see picts of my leaves, please check my other posts. Thank you all!