Bacteria questions, input needed

[Gill Blue]

he's upgrading from a 40 to the 70

is there something wrong with his current setup that he can't use items from the 40G? the easiest solution is to simply move the filter from the 40G to the 70G.

 

[skjl47]

Thank you for the detailed response!

Based on the input, and so none of his displays get caught in a spike, he will be adding 3 small Molly's that I breed for feeders, and his now 2 ( he picked another up earlier) geophagus balzani after a few days, then the 2 at a time for his preds, spaced out by a couple of days also.

The BB material I will be putting in is the sponge-water poured directly into his filter media, several small fake plants, about 5 - 10 of the biomax pellets, and a good half pound of substrate. He plans on using the 40 for breeding his own feeders and keeping a few mini monsters w/ them, so I would rather take a bit of stuff out of my own then risk running his breeder into a spike trying to colonize a tank quite larger then itself. He owes me some feeders lol

Sound like a good plan?

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Hello; I suppose the "sponge water" you speak of will be water squeezed out of a mature sponge filter. This will not hurt and the bb will likely be more on the solids squeezed out than in the water itself. The half pound of substrate should have a good amount of bb colonies on the surfaces. The bb colonize hard surfaces and cling tightly, not so much in the water.

I do not think there will be any real risk of crashing the cycle in your friends 40 gallon tank if some material is moved to the new tank. The bb will be on many surfaces thru out an aquarium not just on the filter media. The bb will be on the tubes and surfaces of the filters, on the substrate, on the glass and so on. I believe that the old filter media can be put into the new tank to seed it with bb and the surfaces in the established 40 gallon will have plenty of bb to keep the cycle going.

In this situation it will not matter as bb loaded material from your tank will work or material from your friends established 40 gal.

I have a power filter with two slots for media, I can take one out at any time to set up a new tank. I also purchased some sponge foam material a while back to replace the decades old sponges on my sponge filters. It is thin enough that I have two layers on a sponge filter base and can pull one layer anytime I need to set up a new tank in a hurry. Picked this tip up on a fish forum a while back.
Good luck

 

[BuffaloPolypteridae]

Hello; I suppose the "sponge water" you speak of will be water squeezed out of a mature sponge filter. This will not hurt and the bb will likely be more on the solids squeezed out than in the water itself. The half pound of substrate should have a good amount of bb colonies on the surfaces. The bb colonize hard surfaces and cling tightly, not so much in the water.

I do not think there will be any real risk of crashing the cycle in your friends 40 gallon tank if some material is moved to the new tank. The bb will be on many surfaces thru out an aquarium not just on the filter media. The bb will be on the tubes and surfaces of the filters, on the substrate, on the glass and so on. I believe that the old filter media can be put into the new tank to seed it with bb and the surfaces in the established 40 gallon will have plenty of bb to keep the cycle going.

In this situation it will not matter as bb loaded material from your tank will work or material from your friends established 40 gal.

I have a power filter with two slots for media, I can take one out at any time to set up a new tank. I also purchased some sponge foam material a while back to replace the decades old sponges on my sponge filters. It is thin enough that I have two layers on a sponge filter base and can pull one layer anytime I need to set up a new tank in a hurry. Picked this tip up on a fish forum a while back.
Good luck

Hmm may have to throw a smaller filter on my tank for the same reason, or could an extra smaller filter hurt more then help? I do love that idea w/ different layers of sponge, will be cutting slices off new ones and putting the old slices in his new tank along with some "sponge water".. we may just do that w/ the small fake plants (I just don't want them anymore) and his 40 ga.

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