So I'm looking to upgrade my tank to something bigger. I may even go marine or marine after a while of using the new one as a tropical tank. Anyway, I have a 120l at the moment and I will sell that if I get a new one. I was looking at the Aqua One AquaStyle 980 (215l and proper lighting!). Would this be a good jump? Obviously if I can get my hands on a second hand 300l I'll definitely go for that. But I don't live near most places so it's a rare chance.
I used to have two of these tanks, one I used for a community and the other for Rift Lake cichlids. As a tank, it is nice and a good hobbyist "community" tank, although for heavier stocking, I upgraded the filters to externals. If you are serious about good fishkeeping, then I actually advise you against it because of the dimensions: it's a pretty short tank for the volume, which basically means that you're limited to similar stocking as with a 100 litre tank. Before the AquaStyle 980, my "big tank" was a 4 ft 100 litre, which actually took a larger variety of fish and was easier to maintain. Between a free second hand tank and 100 GBP lighting, with about 30 GBP of filters, the unbranded 4 ft was a much better deal than the 3 ft, 400 GBP AquaStyle. On the other hand, I picked up my second AquaStyle 980 for 110 GBP second hand in mint condition, which was a good deal.
Basically, I am recommending that you go to a 4 ft tank (regardless of the volume) instead of a 3 ft. For similar sort of money, the Rio 240 is a much better deal and comes with a nicer filter.
For some more info, I would probably keep discus or cichlids, but most likely discus. How many could I keep in a 215l? 47x98x60cm.
Please, please do not put discus in that tank. It is not anywhere close to being big enough! In terms of hight, it is pretty much there, but in terms of length, it is by far much too short
Again, because of the length of the tank, the biggest cichlids I would put in would be SA dwarfs which max out at 4" TL (so, not discus or angels). I have kept 1m 1f blue rams and 1m 3f
Apisto. cacatuoides in that tank at the same time, but that's pretty much all the bottom area used up.
If you really want discus, then as someone who relatively recently started keeping discus after about 10 years of waiting to be able to get the right tank, I can 100% say that I am glad that I waited for a larger tank. I recommend that you try for at least a 4*2*2 ft, and ideally for a 6+*2*2 ft tank, and go for a group of at leasts 6. They are absolutely stunning fish and it really is amazing seeing them in a group. There is actually someone on here right now who is giving away a (I think) 5*2*2 ft tank for free, so it is possible to get really good deals on larger tanks.