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  1. K

    Lonely rainbow shark?

    Hi guys - I have a rainbow shark - Rosie. She used to live with 3 guppies and 5 rummy nose tetras until she out grew the tank. She is now in her own much larger tank but she hides all time. She will come out if I turn the lights off but not for very long! Any ideas how I can encourage her out of...
  2. K

    Air stone, wave maker or skimmer

    Hi guys - I have a tetra 54ltr tank and a 30ltr biorb. Both fully cycled and have fish in. The rectangular tank doesn’t seem to have a great amount of surface agitation and I have noticed a small amount of scum on the top-should I get a power head of some sort or wave maker or skimmer? Any help...