400gallon

Looking for a large tank in the New England area. 8ft or 10ft long, flexible on other dimensions. Let me know if you have something in that range.

So the grand saga of this tank continues. I worked up the nerve to start removing the silicone to fix this damn thing, but I've run into a few odd design choices that have me worried I might have bitten off more than I can chew, so I thought It'd be worth asking about. 1: The bottom of the tank...

So the 400g w/ a steel frame that I picked up has developed 2 small leaks in the bottom of the frame during filling, one somewhere in the bottom lefthand corner and another behind the aquarium also on the left side. I'm draining it now, but removing all the silcone from the tank just isn't a...

Hello All, I have built a 7X3X3 ft concrete tank outside my home. Please suggest the filtration system and fish stocking. Thanks

Hello everyone, I have created a 400 gallon concrete pond (6'X3'X3'). I want to stock some predator fishes. In my LFS there are some spotted gars (18inch & 3-4inch), silver arowana (5-8inch), small RTCs (2-3inch), Oscars (small to large). Besides this I have also raised 2 Oscars from baby to...

Hey guys! So I just recently moved and set up my 400gallon tank in my new home. It’s 8 foot wide 2 foot 3 deep and 2 foot tall.. and succefully moved all my fish from the 120gal... I dropped a bichir but he’s fine :o . I transferred the canister with them and slowly acclimated them so the tank...

So I just started building a 400ish gallon plywood tank that I don't have any fish currently to occupy (I'm not getting any before its ready) I'm building it to get a Silver Arowana and maybe some species of Bichir, I'm wondering if there are any species of Gar that would be safe to house 1)...

I'm finally building my 380 gallon tank! Yay. I'm not sure on wether I want to buy a filter (sump? Canister?) or if it's a better option to make one. What filters do you use/prefer? And any links/thoughts on building one? Greatly appreciated!