30 gallon long

I just got an Innovative Marine 30L. It has some bad water lines/etching. I have tried everything to remove it. Does anyone have any other ideas? Can I buff it? If so how? Please help.

Hello all, I have recently put my first fish in my newly established 30-gallon tank about 2 weeks ago, and I have now caught the itch for coral. I don't think my lighting is good enough for any coral (Fluval Aquasky, I know, bad, but it came with the tank when I bought it). I am in the market...

Hi, I am upgrading from a 20gallon long AIO to a 30gallon long AIO. I was wondering what the protocol on this was, mainly focusing on if I should keep the old sand or not. I have vacuumed the sand for a deep clean the last 2 days, but is it wiser to just use completely new fiji pink in the new...