Quote Originally Posted by IdahoOrchid View Post
At what concentration of magnesium sulfate is this? I have access to mag. sulfate at 9.5% and wonder what regular epsom salts is so I can adjust accordingly.
I will have to go to the GH and look at what the package says because I don't know off the top of my head. I can check tomorrow. Remind me with a PM if I don't remember.

Cheers,
BD