deep gravel

I clean the top of my substrate every two weeks or so, but I never really messed with the bottom part since I read it can be detrimental. It was getting bother by always having to clean algae off the top of substrate (it doesn’t appear everywhere, just some areas), and decided to put a lantern...

Hi all. As some may have seen I’m returning to reefing after some years out by designing a 1m cube tank based system. There is the opportunity to make a ground up sump design as part of this, I intend to build up the sump myself having found a great local glass supplier. I like simple sumps but...