add nano sump

I’m very much running out of room for all the filtration i wanna put on my tank. My sump is a 20g long diy build with the fiji cube baffle kit. So I’m thinking instead of using the refugium section in that sump as a refugium, I’ll just hook up all my external reactors and their pumps to that...

Hi, I'm new to marine tanks. I have my redsea nano max set up and parameters correct for mixed reef but currently don't have any corals or fish. I have an automatic doser (eKoral) ut have realised it won't fit in the small built in sump behind the display tank. How would I set up a system in...