Quote Originally Posted by PharmaCan
So, is hydrochloric acid (used for pools) not good for plants? Or is it just too strong for most folks to work with?

PC :smokin:
I don't know if the HCl will actually hurt your grow or not. But think about this...

The commercial pH Up and pH Down that you buy from the grow store is made from potassium hydroxide and phosphoric acid, respectively. Which means that when they break down, they'll convert into stuff that the plants can actually use. When HCl breaks down it converts into hydrogen and.....chlorine :wtf: