For those who run kalkreactors and calcium reactors..

[midgetwaiter]

Originally Posted by Delphinus

I'll have to test Mg. It's surely too low, it's been a few weeks since I last tested. I want to find a solid based Mg supplement I can run in my reactor because the liquid Kent stuff I tried last month didn't last me very long, I don't think that will be a long-term economical solution.

You can put some dolomite in the Ca reactor to help with this, might be tough to find a pure enough source though.