3g tank

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Nice. How big of a water change would you recommend? I would probably bump it up to a 5g if I did it. Would Dragonets fair well in a tank that size?
Personally I wouldn’t keep any marine fish in that small of a tank, but I have seen dragonets in nano tanks. I’ve never kept any myself tho. If I were to add a fish, it would probably be a fire fish goby
 
I had a nano reef quite a long time ago. It had corals, a purple fire fish, and a cleaner shrimp. Filtration was a skilter which is a combo hob filter and skimmer, mostly crap but for a tank that small it was ok. Weekly 20% water change.

Corals were fine, shrimp fine, firefish also ok but needed a bigger tank for sure. I wouldn't do it again with a fire fish or any fish meant for "swimming" something like a coral croucher or a clown goby would be a good choice.

Back in the day dragonets were hard to feed most only eating copopods very few if any would take to prepared foods. So in a small tank they would never go. Now though ORA is breeding them and has been for quite a few years these captive bred ones seem to take well to pellets and frozen foods. I'd make sure it'll eat something like that before you buy it though. I'd definitely not do fish in the 3gallon coral only, for the 10g you were talking about though.....
 
A bit late to the dwarf puffer party, but they should definitely not be kept together in small tanks. They school in the infinite space of the wild, but small tanks almost always results in one killing off the rest.
Nice. How big of a water change would you recommend? I would probably bump it up to a 5g if I did it. Would Dragonets fair well in a tank that size?
Dragonets have a diet which requires a constant supply of copepods, they can clean out much larger tanks in weeks, and then begins having to make up for that by supplementing pods. Captive bred ones will typically take to prepared foods, but even those may revert back to their wild diet.
Honestly , that’s a myth, saltwater can be very easy and not expensive. Especially in a 3g. Just get a Chinese reef light on eBay, about 2lbs of cured live rock and something for flow and just get some cheap dirty water corals and a reef safe CUC and you’re good. I could do all that for around $50. You can even buy 5 gallons of RODI for around $8
The price depends on what you want to put into it. Largely based on livestock, though you are right that the equipment won’t be as expensive. Still more than in fresh.
As for difficulty, that also depends on what you get. Murphy’s law applies for saltwater even more than it does for fresh, as basically everything you put in the tank has some reason for wanting to kill everything else or itself, and it’s up to you to keep it from happening.
That said, it is a lot easier than given credit for. Hardest part about a 3 gallon is just how quickly it will get filled up and maintaining stability. I probably wouldn’t attempt a pico until a bit of practice with something larger.
 
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Aren’t Sulawesi saltwater?

they are 100% freshwater, only thing is they are opposite to Necrodinia shrimp and need alkaline water to survive / thrive…

they also come in a lot of amazing colors so could be worth looking i to if you go down that path…

if i remember correctly they need a PH of around 8 or 9 to be most happy, although could be even slightly higher…
 
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