100g tank - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 20 Old 03-03-2013, 10:13 AM
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Originally Posted by Byron View Post
A filter can only do the job it was designed for, and provided the filter is adequate for the task (tank volume, fish load, etc) you will not gain anything by having more filters. You will waste your money buying them (they are not inexpensive) and you will waste money running them; but depending upon the fish, they (the fish) may be adversely affected and this means stress which is poor health.
I don't ask my filters to do anything they aren't intended to do. I haven't always had my tanks set up in that fashion - had I not seen a benefit with the first one, I would not have wasted my money converting the rest of them. Yes, there are inexpensive canister filters - the OP could have picked up a huge canister that holds at least 3 times the media of the AC110 for the same price. As I clearly stated, such a setup is not for every application. As it turns out, it would be for the OP. In my opinion. But, I have no interest in swimming against the current so I won't advise anyone to waste their money again.

125 - BGK, chanchito cichlid, pictus cats, silver dollars, palmas bichir
125 - cichlids (severums, bolivian rams, chocolate), rainbows ( turquoise, red), loaches (angelicus, zebra, kuhli and horseface), plecos (BN, RL and clown), denison barbs, tiretrack eel, pearl gouramis, betta
90 - Congo tetras, african knife, upside down cats, spotted ctenopoma, kribensis, delhezzi bichir
2.5 - betta
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post #12 of 20 Old 03-03-2013, 12:01 PM
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I think what Byron meant is that the extra canisters = extra water flow. Some fish do fine with lot's of water flow, and enjoy it as it replicates their natural environment (such as a river or stream). However, some of us keep fish that are used to stagnant pools and still water (I do, I keep Harlequin Rasboras, Kuhli Loaches, and Pearl Gourami) and these fish greatly dislike any water current. I have one canister on my tank, rated for my tank size, and even the current from the one bothers my fish if it isn't aimed at the back wall.
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post #13 of 20 Old 03-03-2013, 12:06 PM
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I keep those fish as well.

125 - BGK, chanchito cichlid, pictus cats, silver dollars, palmas bichir
125 - cichlids (severums, bolivian rams, chocolate), rainbows ( turquoise, red), loaches (angelicus, zebra, kuhli and horseface), plecos (BN, RL and clown), denison barbs, tiretrack eel, pearl gouramis, betta
90 - Congo tetras, african knife, upside down cats, spotted ctenopoma, kribensis, delhezzi bichir
2.5 - betta
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post #14 of 20 Old 03-03-2013, 12:31 PM
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It is possible to get "clean" and "clear" mixed up when it comes to filtration. The more media the water passes through, technically speaking the clearer it should be. But this is not the same as clean water.

Filtration should be suited to the fish species, and also depends upon live plants. The more plants, the less filtration (by filters) is required, since the latter will compete with the plants to their detriment. And plants perform the "clean" aspect very well if allowed to do so without interference. It is possible to have an extremely healthy aquarium with no filter at all, if there are sufficient live plants and the fish load is in balance to the plants and the water volume.

As for the fish, one has to consider the current which can be detrimental as jentrala pointed out. Aside from this, one has to also consider the size of fish in relation to the water volume. As I mentioned in a previous post, with large fish or a higher ratio of fish to water volume, more filtration is advisable. Live plants are usually minimal or non-existent in such aquaria, so the filtration needs to be sufficient.

The point I was trying to make earlier is that many of us used to be told that in every aquarium more filtration is better, but this is certainly not the case. But each aquarium has to be considered on its own, since all these factors play into the equation.

The water flow through the filter itself also is important; if it is too fast, the filter cannot perform an adequate job of filtration.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #15 of 20 Old 03-03-2013, 12:36 PM Thread Starter
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I plan to fill the tank with Blue Tilapia that i will then eat. thanks for the tips
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post #16 of 20 Old 03-03-2013, 01:04 PM
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I plan to fill the tank with Blue Tilapia that i will then eat. thanks for the tips
My gut reaction is that that's a bad idea. I know many meds have warning labels on them not to be used on food fish, or something to that effect. Hopefully you'll not have to medicate. I don't know... Perhaps someone else will have more to say about it.

125 - BGK, chanchito cichlid, pictus cats, silver dollars, palmas bichir
125 - cichlids (severums, bolivian rams, chocolate), rainbows ( turquoise, red), loaches (angelicus, zebra, kuhli and horseface), plecos (BN, RL and clown), denison barbs, tiretrack eel, pearl gouramis, betta
90 - Congo tetras, african knife, upside down cats, spotted ctenopoma, kribensis, delhezzi bichir
2.5 - betta
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post #17 of 20 Old 03-03-2013, 01:21 PM
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I certainly do agree with this. Fish in an aquarium carry all sorts of pathogens. Commerciall fish farms deal with these. I would not risk eating anything in an aquarium. TB is only one disease that can be passed to humans from aquarium fish.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #18 of 20 Old 03-04-2013, 10:08 AM Thread Starter
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How do i prevent these diseases. I have to grow tilapia in a tank for my proffesor. also, i will not eat the brood stock. i will only eat the children once they grow to full size, if they show no signs of infection.

Last edited by mvgeiger; 03-04-2013 at 10:23 AM.
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post #19 of 20 Old 03-04-2013, 11:04 AM
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How do i prevent these diseases. I have to grow tilapia in a tank for my proffesor. also, i will not eat the brood stock. i will only eat the children once they grow to full size, if they show no signs of infection.
I cannot answer this, I have never raised food fish. All I am going to say is, never eat aquarium fish.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #20 of 20 Old 03-04-2013, 12:36 PM
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We have a tilapia farm near us for raising fish as food, but I don't personally know how they are raised. Most fish that I've seen in aquaponics (growing fish for human consumption) are kept in man made pools with floating plants and fed stuff like duckweed and chopped up fish. I'm by no means an expert, but they're usually kept outside in those blue pools you can buy at Walmart. There are a bunch of tutorials online, especially YouTube.
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