my 20g brackish

Niko is right on! More photos please! :dance:
 
ok, here're more photos, including the cabinet.

i've changed the light to purplish white fluorescent.

i've removed the hydrometer from the tank now that i'm using a refractometer.

the two fans(1 blowing at the water, one sending air out of the cabinet) have been replaced (no photo)

i've added a diy mini denitrator that seems to be working (i'm doing 50% water change fortnightly now with nitrates rising to only 15ppm) to the outlet of the canister filter (no photo)

the decor pretty much remain the same.

sorry for the quality of the photos.

fish1.jpg fish2.jpg fish3.jpg fish4.jpg fish5.jpg fish6.jpg
 
Although that is a really cool tank, your puffer would be better off with more long, horizontal swimming room, instead of the vertically high tank.
 
wow, very interesting! Loos great! :)
 
Although that is a really cool tank, your puffer would be better off with more long, horizontal swimming room, instead of the vertically high tank.

i sort of 'inherited' it from my dad, so i had to make-do with it. i've switched the substrate to white sand today, photos coming right up.
 
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