Dubbo

Does anyone also know if replacing dead fishes with smaller pet shop ones are a good idea. I originally had 6 tiger barbs and 6 golden tiger barbs, but some died over time. I want to get some more from pet shop to build up their numbers but I am kinda skeptical whether they will get beaten up to a pulp seeing how mine are all grown up.

Hi all, frist time visitor to the forum, seeking some advice on getting new fishes in an aquarium. I have one of these AR620T tall 130L tanks, and I am kinda thinking of putting more fishes in it cause the colors are abit bleak at the moment, but I am not sure if I should put more in. The ones I have now are: 4 mature tiger barbs 5 mature/semi-mature golden tiger barbs 1 rainbow shark 1 jewel cichlid I am thinking of putting in some additional silver colored fish such as congo tetras, but since I should really get 5+ of them I am not sure if I'd have room. The tank is well planted also, and the water quality has been reliably good. I plan to keep doing 20% water changes every 2 weeks. Do you think I could add 5 more large tetras in there without making the water quality worse ?