How Long To Seed Media

flyin-lowe

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I am going to start my 125 g tank back up. I have a 10 gallon that has been running for years. I’ve got two bags of ceramic rings from my new filter that have been in the 10 gallon for over three weeks. My plan is to use the filter media that is in the 10 gallon as well as the ceramic rings that are in the 10g. I will only be starting the 125 g with a few small native fish. Also I plan to have some low tech plants in as well. I am assuming that a month in the 10 g is enough time to get BB on the ceramic rings. I’m hoping that the rings, the filter media, and live plants will be enough to handle four or five natives that are only a couple inches each. I will also have some safe start on hand to help boost things if I need too. The 10 gallon does not have a huge bio load. Thoughts on my plans??
 

mattgirl

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No matter how much media you have in the 10 gallon tank there will only be enough bacteria on the media to handle the bio-load of the fish in the tank.

A month should be plenty of time to have the media seeded with as much bacteria as it is going to grow. As long as the bio-load of the bigger tank is the same or less than the bio-load of the 10 gallon tank there should be enough bacteria to almost instantly cycle the bigger tank.

If the bio-load is going to start out higher in the 125 than it is in the 10 the media will help but you will still experience at least a mini-cycle.
 

Fashooga

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I agree with mattgirl. When I switched from 55 gallon to my 125g there was a minI cycle that lasted a few days. The ammonia wasn't too toxic but it was an adjustment period that happened.
 

Momgoose56

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flyin-lowe said:
I am going to start my 125 g tank back up. I have a 10 gallon that has been running for years. I’ve got two bags of ceramic rings from my new filter that have been in the 10 gallon for over three weeks. My plan is to use the filter media that is in the 10 gallon as well as the ceramic rings that are in the 10g. I will only be starting the 125 g with a few small native fish. Also I plan to have some low tech plants in as well. I am assuming that a month in the 10 g is enough time to get BB on the ceramic rings. I’m hoping that the rings, the filter media, and live plants will be enough to handle four or five natives that are only a couple inches each. I will also have some safe start on hand to help boost things if I need too. The 10 gallon does not have a huge bio load. Thoughts on my plans??
What native fish? Channel catfish have a bigger bioload than golden trout (for instance lol!)
 

ystrout

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What do you mean by native fish?

Like everyone else said, transferring the media from your 10G will instantly cycle your tank, but only if you stock it the same as your 10G. If you add enough fish to fully stock your 125G, you'll still have to cycle the tank. It will go a lot faster though since there's already a healthy colony of bacteria on the 10G's media.
 
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flyin-lowe

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I will be putting in a couple bluegill a perch or two and one or two other sunfish. The ones I am getting are only a couple inches, not big yet at all. I will be looking for a bulkhead catfish but probably not until next spring on that. So 6-8 fish that are very young. There is a local fish farm nearby that stocks ponds and they have almost everything I am interested I there, minus the bulkhead.
 

Momgoose56

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flyin-lowe said:
I will be putting in a couple bluegill a perch or two and one or two other sunfish. The ones I am getting are only a couple inches, not big yet at all. I will be looking for a bulkhead catfish but probably not until next spring on that. So 6-8 fish that are very young. There is a local fish farm nearby that stocks ponds and they have almost everything I am interested I there, minus the bulkhead.
Those are going to be big bio-loaders! I suggest getting some pure ammonia, switch the media over and start feeding the tank to at least 2ppm of ammonia to make sure it's cycled before putting them in there. Here's an ammonia calculator that takes the "brain pain" out of figuring out the dosage:
Fishless Cycle Ammonia Calculator
I LOVE bluegill in a tank, but they are one mean little fish! Post pictures when you get them in there! K?
 

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