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Old 04-13-2012, 11:27 PM   #1
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new tank

I have a 20 gallon up and running tank with about 30 pounds of lr. I'm upgrading to an 80 gallon tank. The new tank has had water in it for about two weeks. I would say about 20 gallons are from the tank running and 40 gallos are new. That has been cycling for about two weeks. My question is can I put the rest of the water from the old tank in there along with the fish and everything else into the new tank without it cycling or not?
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Old 04-14-2012, 12:38 AM   #2
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Originally Posted by Greatsoccerman
I have a 20 gallon up and running tank with about 30 pounds of lr. I'm upgrading to an 80 gallon tank. The new tank has had water in it for about two weeks. I would say about 20 gallons are from the tank running and 40 gallos are new. That has been cycling for about two weeks. My question is can I put the rest of the water from the old tank in there along with the fish and everything else into the new tank without it cycling or not?
You will more then likely have some spikes so you would be better off completely scaping it with lace rock and a little live from you established tank and wait for the cycle..it shouldn't be long if you seed it
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Old 04-14-2012, 12:52 PM   #3
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What do you mean seed?
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Old 04-14-2012, 12:57 PM   #4
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If you add all the LR from the old established tank along with a couple scoops of sand ,you'll be fine..No cycle..Just wait to add new fish to the new 80 gallon for a week or 2...
Seeding is just adding dry base to a tank with existing LR ,and it will soon become LR as well
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Old 04-14-2012, 01:51 PM   #5
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Quote:
Originally Posted by FTMMWS
If you add all the LR from the old established tank along with a couple scoops of sand ,you'll be fine..No cycle..Just wait to add new fish to the new 80 gallon for a week or 2...
Seeding is just adding dry base to a tank with existing LR ,and it will soon become LR as well
Seeding is adding live rock to a new tank the, complete opposite...its to add BB to the new tank so that it can be jump started...the more you seed the less cycle/spikes you'll see, seed enough and no cycle at all maybe a small spike here or there
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Old 04-14-2012, 02:01 PM   #6
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its the same idea ...
The base rock he adds will be seeded by the LR and LS he already has.
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Old 04-14-2012, 03:08 PM   #7
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Ya but doing it the way you said means you would place your rock in the 20 gallon then move it into the new 80 which is just more work then setting up the 80 and "seeding" with 5-10lbs from the 20 so that you introduce the BB to the new system
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Old 04-14-2012, 03:24 PM   #8
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No ,thats not what i said
He just asked in general what "seeding" meant ..It can have different interpretations i guess..

I specifically said to take all the LR and some LS from the 20 and add it all to the newly set up 80 ,then add base ,which will be seeded by the rock and sand he has
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Old 04-14-2012, 05:35 PM   #9
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I don@ have sand in the old one I have crushed coral but I have been putting some in a bag and putting it on the sand. So all the water has been cycling for two weeks its new water with some old like I said before. I think I'm just going to fill the rest of the tank (about 15-20 more gallons) with water from the 20g. You guys think it would be ok to go ahead and do that and add the fish I have and some coral and crabs?
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Old 04-14-2012, 05:49 PM   #10
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Using the old water wont do anything but introduce the nitrates you remove with the water change. Everything you want to be in your tank from a cycle lives in the lr and sand/substrate.
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