Originally Posted by unleashed
large filter systems they run on multipal tanks.same also goes for LFS the fish may seam to have a 10 gal space to live in but they have 1000's of gallons of water flowing through them all.I once went to LFS that had a very healthy 2 ft nurse shark in a 20 gal long tank.it looked extremely healthy the owner had this shark for 2 yrs in this tank.the filter system this guy had was astonishing to say the least .not only did he sell sw fish he also sold pond fish , fw fish and it was inside of a greenhouse. he ran 5000'gal of water for each type of fish he had constantly running through natural filteration source.when i asked him how he kept this shark alive so long he explained the principal .the shark doesnt have enough space to move enough so he made water move through the shark.I did feel bad for the shark and would not buy any fish from him but i was amazed by his filteration.
just because it is healhy dosnt mean it is happy.....hummm...I feel r4eally bad for that shark, u shoulda told him it was wrong