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Discussion Starter · #1 ·
So I am switching from a 55 gallon to a 90 gallon tank. I am buying the 90 gallon tomorrow, no water or anything it. I need to transfer a yellow tang, picasso trigger, clownfish, porcupine puffer, chocolate star, and a snowflake. I don't have any corals or live rock in my 55.

How should I do this transfer? The 90 has to go in the same location as the 55 so I cant get both tanks running. Can i put in some old water into the new tank? Will i still need to let the new tank cycle? Any ideas would be great.

Thanks!
 

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125 Gallon Tank
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put ur live rocks in a trash can, and ur fish in another, also ur sandbed if u want to keep the same sanbed, change the tank places plug in ur new tank and move everything to it, this way the tank wont cycle cuz u kept everything in water so u wont have dead off, and remamber to put some powerhead and heaters if this will tanke much time
 

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Hydro-Dynamic
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Are you running a sand bed?
I would replace all the SB and keep a few cups of the old to seed the new.
This is the best way to get rid of most of your detritus.

You could also go BB with no substrate, either way, I would dose
a high quality bacterial supplement for the 1st month and no skimmer
for a couple days after each dose. This is the best way to avoid a cycle IMO.

This probably would be a good time to invest in a Brute trash can for mixing
and heating SW and a pump to pump it out either to sump or bucket.

I personally would not put the eel and all those fish in one container
but very good idea to have a thermometer in to keep tabs on temp
and as mahmoud mentioned, a heater and aeration per area.
It is possible to make a 4 way + to put in a trash can or 15g + tote with lid
and keep all four fish, then there's the eel. This way only one heater and power head is needed.
Could use egg crate from the light diffuser isle at Lowes and zip ties.
3/4-1" end cutters do really well at cutting the egg crate
and you may need to use the extra egg crate from a sheet, to keep the
4 way + from giving in, just cut to fit outer space and wedge in to keep propped open. Does that make sense?

You may want to raise the temp in the room to near tank temp a day prior,
and begin making and mixing the water well in advance to give you time to
synch your ASW to your 55g, and yes, by all means, use as much water
as possible from your 55g to keep as much stability as possible.

In a pinch, generally 1g of simmering water added to 5g cold will get you
pretty much in the 80ºF. range or 3/4g simmering + 4g cold = ~80º
depends on how cold the cold is ;)
 

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Discussion Starter · #5 ·
Thank you for the advice! this helps a lot! If I add a little of my current sandbed to the new sand i put in the tank, plus the water from the 55 then add premixed salt water for the rest do you think i will have avoided all the cycle process? (minus getting the temperature right)
 

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Hydro-Dynamic
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Thank you for the advice! this helps a lot! If I add a little of my current sandbed to the new sand i put in the tank, plus the water from the 55 then add premixed salt water for the rest do you think i will have avoided all the cycle process? (minus getting the temperature right)
How much LR is in the 55 that you're transferring?

Do not filter the water at all including the skimmer for (just like
bacterial dosing) a couple days. KEEP the beneficial bacteria there
to settle out on the LR and SB.

If you're using LS great. If you're using dry sand, rinse extremely well 1st
and not a bad idea to filter the water now, prior to adding anything that may contain beneficial bacteria.
Yes, you might avoid any cycle, but dosing
should secure it. What biological filter you transfer will be in a weakened
state such as after some medicines. When I transferred the 150 to 100
I ditched 100# of LR and 100% of the SB with no trace of a cycle.
I did not skim till after the 3rd week and final dose of Nite Out ll and Special Blend bacterial supplement.
Other high quality products could probably be used too, but avoid things like Start Right, and typical water conditioners.

http://www.drsfostersmith.com/Media/PDF/aquarium-cycle.pdf
^this is what I used, but at least the Nite Out ll or similar product.
NitroMax makes a 2 part.
 

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Discussion Starter · #7 ·
There is no LR. just a live Sandbed. Can I keep the fish in the 90 without the filter pump running? i know it uses a sump with bio balls. There is skimmer on the 55 but the 90 came with one so i will keep that off for a few days. Also, do i add the Nite Out product while the fish are in the 90?
 

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Hydro-Dynamic
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There is no LR. just a live Sandbed. Can I keep the fish in the 90 without the filter pump running? i know it uses a sump with bio balls. There is skimmer on the 55 but the 90 came with one so i will keep that off for a few days. Also, do i add the Nite Out product while the fish are in the 90?
Oh dear, I assumed you had LR in the 55.
Are the bio balls in the sump active or dry?

What is the bio filtre now, on the 55?

How deep is the SB and how old is it?
I'm becoming of the mind now, that you may not want to get rid of the SB
since you have no LR. I've never encountered such a transfer.
What new sand you do add, should be on the bottom. Do not smoother
the old sand placed on top as this will starve the bacteria of O2 and weaken it tremendously.

If the bio balls are active this is good, if dry, I cannot be of any further help.

Keeping the fish in the 90 with circulation is fine. You need that. I meant
no mechanical or chemical filtration (no floss, felt, carbon, UV, skimmer...
bio pellets and balls are fine) the first couple days, repeating after each bacterial dose.
Dosing is unnecessary after stability is achieved.
Yes Dose Nite Out ll or similar the moment you're done, mark on calendar ;)

Now back to the bio balls again. If you ever go reef or LR, you'll want to ditch these guys.
They are a nitrate factory but do very well with aeration (O2)
and breaking down ammonia to nitrite, and nitrite to nitrate. They do not
address NO3 effectively and should be considered when an algae outbreak occurs after the tank is stabile,
say 6 months down the road, or later. I ran the balls in a wet/dry for 15+ years, then I found TRT :D
 
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