Has anyone heard of magic mud?

[Scatcat]

I need some intake on this product. From what I understand you put in your refugium and it's supposed to be all that. What do you guys think?

 

[Brodie]

I've heard it's great..haven't used it though.

 

[saltcreep1025]

To me it sounds like a messy PITA and it probably adds nothing more than you get from water changes

 

[Andos99]

Isn't that the stuff major leaguers use to rub on their baseballs before games?