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Hi everyone! I'm hoping someone can help me! I'm in the planning stages of setting up a 'new' tank. The tank I'm going to use is 92cm x 60cm x 50cm (which I think is 276 litres or just under 60 gallons?). The tank will contain soft/sand substrate, with lots of driftwood, lots of caves (plus a glass tube which I'm hoping the ele will favour), and LOTS of plants. On one half of the tank this will use the entire height of the tank (planted bottom, plants attached to driftwood at mid-levels, and surface floating plants at top), with the other half more sparsely planted/decorated and kept lower to give (the discus) some free space. The community I'm wanting to create, in order of importance, is- 1 elephant nose fish, 3 discus, 5-7 glass cats, 2 kribs, 5-7 cardinal tetras, 1-2 longfin bristlenose, 1 kuhli loach, 1-2 Angel/german blue Rams. My questions- 1. My filter is a Fluval 404 but I'm wanting to add UV. I'm unsure though of what would be best for my tank and my fish. Ie: how many uv watts should I be looking for? Should i get one thats combined with a filter - is there any such thing as too much filtration? What type of Litres/hr should i look at - eg would 800L/H be enough? - would 2000L/H be better? Would a higher / 2000L/H flow rate create too much current for my size tank or my types of fish? Would an internal one be able to sit down low / offer the benefit of being able to target lower / problem areas of the tank? Or should I go for an external one (my tank has to have a sealed lid with not even little spaces or my ele might get out)? 2. Your thoughts on my intended community ie: too many? or, could I dare to add - another discus? - or increase my schooling fish (glass cats? cardinals?) - even just by 1-2 to make them more comfy? I'm hoping the provision of lots and lots of hiding places and caves will allow me to keep a breeding pair of kribs and of bristlenoses. How likely is it that I'll encounter problematic aggression from these guys whilst mating? - I expect them to defend their territory, but also to keep their defense localized? (There will be caves at mid-level that I'm hoping will appeal to the kribs, but my precious elephant nose will spend alot of it's time at the bottom level where the bristlenoses will presumably be). 3. Obviously I'm very keen to avoid diseases in my scaleless fish, I've heard bolivian rams (and cories, and guppies) are more likely to carry / be susceptible to diseases, does anyone know if this is true of other rams such as Angels or German Blues - or any of my other chosen fish? Thanks so much in advance! Missfish xx