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Yup... just too small. Tangs generally cruise the reef picking off algae in the wild and as such cover vast distances. For a nano you want fish that have a naturally small range (common clowns as an example). Tangs and nanos just don't go. Assuming all goes well with this then upgrade to a 250g and get a decent tang collection... if they float your boat![]()
I will learn with the small one I think for now 

. You came to the right place!Yeah, sorry was trying to say you need RODI water as in a source of RODI rather than a RODI unit... hell I've got a 300g and still buy water from my lfs... something about the tank taking over the house is apparently the reason I can't install one... wasn't really listening [emoji6]Honestly with a tank that size I would just buy premixed saltwater from LFS or Petco. Buying a RO/DI wont be cheap and you have to have somewhere to keep it and hook it up. You will only need about 1.4 gallons a week for a 10% water change. A 5 gallon can will last you 3 weeks. As for top off water most LFS would give you that for next to nothing for the amount you need in a biocube.
Honestly with a tank that size I would just buy premixed saltwater from LFS or Petco. Buying a RO/DI wont be cheap and you have to have somewhere to keep it and hook it up. You will only need about 1.4 gallons a week for a 10% water change. A 5 gallon can will last you 3 weeks. As for top off water most LFS would give you that for next to nothing for the amount you need in a biocube.
We have the 8 gallon version. We are the 3rd owners14 gallon.
I actually bought it from a friend of mine, so I didn't really have much choice![]()

Water changes are where this hobby begins and ends. Any reefer worth their salt will be the first to tell you water is everything! I was told many years ago when I made the jump from fresh to marine, that water changes solve everything.Thank you very much for the advise.
The friend who sold it to me told to do so once every 2 weeks, but I will do it weekly
Thanks for such a warm welcomeWater changes are where this hobby begins and ends. Any reefer worth their salt will be the first to tell you water is everything! I was told many years ago when I made the jump from fresh to marine, that water changes solve everything.
Youtube is a great source of information, as well as here, but don't get overwhelmed. Opinions are like ******** as my dad used to say, and everyone has them. You will be bombarded with them, and that is the second peace of advice I will offer, be patient. Take the time to find the pieces of information that work for you. As I said everyone has an opinion, and most are good, but every tank is different. I myself have three, and the things I do on my 250 gallon are things I would never try on my 50 gallon, and likewise with my 10 gallon. So have patience, and take the "good for you" information.
Welcome to the hobby, and the forum. Happy reefing.

everyone has opinions and everyone thinks they are right. hahaThank you, this forum is really great!Welcome home, you will love it here!
Nice nano!
I do agree a yellow tang is too large and dirty a fish for a nano tank. It will foul up your water very quickly, crammed-quarters aside.
No judgment, you are learning. You came to the right place!
Thanks a lot for the list! Turns out I already have most of the things (bought them with the tank from the previous owner)Largely depends on what you want... but a basic 'must have' list would include:
Skimmer
Lighting... depends on what you want to keep as to what type
Live rock
Wave maker/ powerhead for flow
Test kits
Refractometer
Heater & thermostat
Most will add one or more of:
Phosphate reducing media (rowaphos as an example)
Activated carbon
Nitrate reducing media
Then there's the stuff you'll use up in water changes / dosing etc:
Synthetic salt mix
*Calcium
*Magnesium
*Alk supplement
*Trace elements
Food
Those with a * you prob don't need to worry about if you're doing decent weekly water changes as they'll be replaced in the new salt water.
You'll need a supply of RO/DI water too for water changes and top off.
Then there's the list of optional stuff... that's for another time tho!

