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I get that... I guess I'd just be a little hesitant if I made a rookie mistake and just ruined everything. However, larger is awesome.My opinion, go as big as you can. The equipment pricing is really not that different and it is much more forgiving. Second is spend some time thinking about what animals you want, make a list, and then you can plan what you need by what those animals need. Don't be surprised if things on your list are not compatible, you will likely have to choose. If you base it around the most exciting aspect and design that part to succeed you likely be the happiest.
If that's the size you want, there's nothing foolish about buying it. If you have every intention of upgrading in a year or so though, you'll find that not much of the equipment you buy for a 20 gal will work for a 65 - 75 -90g tank. You may end up spending a lot of money twice to get what you wanted in the first place. That said, a 20g would make a great hospital or quarantine tank for a setup of that size.So how foolish would it be for me to start with a 20 gal? With the intention of most definitely making an upgrade once more knowledgeable and proven success?
Thank you and thankfully I don’t have an issue with patience.Welcome to R2R! You'll need plenty of patience .
Thanks so much for the information. I greatly appreciate it. An octopus ! Freaking awesome. That never crossed my mind, not that I would do that just a crazy idea.it can be done, but it is easier to crash. My first tank was a 30 gallon for an octopus. Nobody had corals in those days. It ran on an undergravel and weekly water changes. It worked.
A 20 gallon with some rock and few damsels can be really entertaining with few worries and little investment.
I have seen really awesome nanos but I have never run one. The ones I have seen look good have coral and 1-2 very small fish. Almost like desk planters with intense lights.