Restocking- How much at once for 125g

travis32

New member
Well, I've been told restocking my 125g shouldn't be an issue as far as bioload goes.

I've got a well established 125g tank. It's been operational for 1 year November 15th. The rock is from my 55g that was operational for 10 months prior to this.

I had up to 8 fish this spring, when I lost 6 of them due to a power outtage. (and one jumped out at the same time).

I took the opportunity to battle My HA problem, that was leftover from my 55g. I recently scrubbed some rocks off in saltwater waste water from a water change. I got 80% of my HA problem under control by simply removing old dead HA from the rocks by scrubbing them.

So, now that it's not growing back and it's under control, I would like to restock my tank soon. (in the next couple of months) I'd prefer to do all at once to be done.

I have 2 fish that I currently feed twice a week. I have a remote DSB, 80lbs of rock (roughly). Used the time to clean the skimmer and pump and get everything into top condition again.

I have a starry blenny and sleeper goby, both are doing awesome. The goby is almost as old as the 125g. 10 months or so.

I'm looking at adding 6 - 8 fish at once.

roughly here's what I'm thinking:

2 Black and white percs.
2 Oscelleris (possibly)
2 Japanese Genicanthus Angels (mated pair).
Possibly 1 tang (easy to care for) I may forgo this, I don't have good luck with tangs.
1-2 Wrasse of some type. (I love the mystery wrasses, but, may consider a cheaper fairy wrasse pair.)
Possibly a butterfly fish of some type. (If I don't go with a tang I'll go with a Butterfly.

I want simple to keep fish, pretty, hardy, and easy to feed.

All of my corals are doing awesome. I can't stop my SPS from growing. My clam is great, and my 3 RBTAs are doing great too. The tank has been very stable since the fish died this spring.

That's my initial restocking list. Will adding 6 - 8 fish at once, of these type, cause any issues like trigger a major cycle from a major bioload perspective?
 
These fish may be hard to keep in your QT all at once. Also, mixing species of clowns is almost always has a bad outcome.
 
My thoughts too -- QTing them all at once.

Also, there aren't any B&W percs, most likely oscelleris (( with a small chance of being black and white A. polymnus )). Either way, 2 pairs in a tank has a very good chance of becoming one pair once spawning begins.
 
Why add so many fish at once?

Agreed on the clowns, pick one pair.

Not sure what kind of butterfly you are thinking but most aren't reef safe, and the ones that are tend to be harder to keep. Between the butterfly and tang, I would say get a hardy tang. There are a number of choices with tangs, with the Yellow being the most common and hardy.

If you get a mystery wrasse, I wouldn't get any fairy wrasses because mystery's can get pretty aggressive towards them.

The tang should be the last thing in the tank. Start with the small non-aggressive species and work your way up.
 
Agreed on the butterfly.

Mainly wanted to add all at once, because the tank's been up a year and it's never had many fish.. It's got a lot of corals I am having problems finding spots for, but, as for fish... It took year to get it to 8. And it was that way for maybe 3 weeks before the power outtage killed them all off. QT 'd each one for 6 weeks.

So, I lost a years worth of time trying to get healthy fish into the display only to have them make it to the display and then die or make it to the display only to have worms survive the QT. Or just have the two fish I have...
 
Agreed on the butterfly.

Mainly wanted to add all at once, because the tank's been up a year and it's never had many fish.. It's got a lot of corals I am having problems finding spots for, but, as for fish... It took year to get it to 8. And it was that way for maybe 3 weeks before the power outtage killed them all off. QT 'd each one for 6 weeks.

So, I lost a years worth of time trying to get healthy fish into the display only to have them make it to the display and then die or make it to the display only to have worms survive the QT. Or just have the two fish I have...

Doesn't mean you should rush it this time. I understand it's frustrating to have loses, but you don't want to have that happen again. Do 2 or so fish at a time.
 
I wouldn't QT more than two or three at a time and even then three's a lot for me. I always found it hard to really watch the fish with too many and they don't relax as easily.
 
I wouldn't QT more than two or three at a time and even then three's a lot for me. I always found it hard to really watch the fish with too many and they don't relax as easily.

Actually one of the primary benefits of proper quarantining is allowing a fish to relax, eat vigorously and by the way be parasite free. One is ideal.
 
In this sized tank mixing clown species always has a bad outcome.

I agree. I guess I'm in the habit of adding "almost" to cover the 1-in-a million exception that always shows up. (usually failing to mention how long the 'exception' has lasted.
 
Just from a parasite and disease standpoint; you're betting that you can buy about 10 fish at once and none will carry any contagious parasites or disease. I like to gamble, within limits, but this is a bet I'd never make.
 
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