Hi All, I picked up a 55 Gal tank at PetCo (a dollar a gal. sale, pretty hard to resist). I plan on using this as a sump for my 180 Gal. tank. Has anyone actually tried to use acrylic baffles, siliconed to a glass tank and had problems? I see two camps out there and I see some people with...

I have a 10 gallon mid-tech tank with a male crowntail betta. It has an AquaClear 20 HOB filter. I've found that if I run the filter at full strength the returning current is too strong for the betta. For the first few months I just ran it at half strength, but that felt like I was wasting a lot...

I was playing around with some ideas and I came up with this design after some research and reading (the first picture). I'm concerned with how adequate the water entering the fuge will mix rather then flow on the surface and exit the fuge. so I came up with the second idea for the sump - adding...