Filter malfunction: how long are bacteria safe when the filter stops running? - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 16 Old 07-24-2012, 03:29 PM
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Awesome! I'm assuming you have plants in this tank, too? You must. . .?
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post #12 of 16 Old 07-24-2012, 04:44 PM
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No plants.

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 #13 of 16 Old 07-24-2012, 04:46 PM
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Awesome... what is your nitrAte reading on the tank? I'm curious to know what happens when the Platy get in there, too!
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post #14 of 16 Old 07-24-2012, 04:57 PM
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I don't know, I didn't test for it. The water in the tank is not all new, so there is no way to attribute the nitrates that show up to anything.

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 #15 of 16 Old 07-29-2012, 10:07 AM
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Tested the tank after adding the 3 platys and the results are still 0 ammonia and 0 nitrites.

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 #16 of 16 Old 09-09-2012, 05:12 AM
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Your bacteria might not die off in that canister but your gonna get anaerobic bacteria developing. The water should have smelled foul, like rotting eggs when you turned it back on. This is what I noticed when I used to use canister filters.

The main problem with bacteria when they die is that they release toxins into the water. When you have a cold and your body fights off and kills the bacteria in high numbers your body has to deal with the high levels of toxins being released. This die off is the reason you feel really crappy after you body has fought off a bad bacterial infection. So when your filter bacteria start to die off it is the toxins you have to be worried about. The filter will recover quickly and you should not notice any reduction in performance in most cases.
The "Die-Off" - Toxins Released into the Body as Candida Organisms Are Destroyed for a better explanation on bacteria die off.

I suggest rinsing off your filter in some tank water put in a bucket before restarting the filter next time. Also if your using a HOB you should take it out and dump all the water in the filter housing. For Marineland filters I suggest you pull out the impeller and housing and clean everything up. If you have problems its usually the impeller getting all fouled up with gunk, hair, plant material etc. I suggest you verify your impeller and its housing are clean so that the magnetic coil does not burn out if you have repeated stopping of the motor for long durations. I recommend you clean it every time you do a water change just to keep things flowing properly.
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