1. F

    Idea on a 400 gallon tank.

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

    Stocking for 400 Gallon concrete pond

    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...
  3. T

    Hide ideas for my new 400g

    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...
  4. D

    Recommended Gar for 400 gallon

    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)...
  5. J

    FILTER?? My first tank build!

    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!