Marine pure blocks plates balls

[lngliv3]

What are you running in ur sump ? Pros and cons!

 

[jboone82590]

I am running a 4x8x8 in my saltwater with balls in the return area. I like it. It has been doing great with my params and it makes my sump look cleaner.
I also have a 1x8x8 block in my freshwater sump and balls in return area. Same thing with it in there.