Swollen gills - Page 3 - Tropical Fish Keeping - Aquarium fish care and resources
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post #21 of 28 Old 08-15-2007, 02:01 PM Thread Starter
Jones, that would be great if you want to take the time to look into the water problems. If you need them, I can give you the exact ammonia ppm in the tap water and such information. The lady with whom I spoke about the matter did not seem to be very knowledgeable on the subject, so it would not surprise me if she gave me incorrect information. Thanks!

Best wishes for your fishes!
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post #22 of 28 Old 08-15-2007, 02:59 PM
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if it helps any, in the fire department we use 1 to 10 bleach to water ratio to disinfect and sanitize our equipment after possible contact with blood (which happens alot at car accidents). id ditch the substrate and everything else id just lightly spray with some 10 to 1 bleach, rinse it out, and after towel drying it, leave it out to air dry. then like jones said, add water and dechlorinate. if theres anything growing in there, that will kill it, fish related or not ;)

aside from that otherwise redundant information i really dont have anything useful :\ but please keep us all posted as to how you make out!

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post #23 of 28 Old 08-15-2007, 04:30 PM

This is just a question here but "what I am accustomed to" is that

1)virtually instantaneous exposure to this concentration of chlorine will obviate bacteriological pathogens but
2)that an extended exposure to this concentration of chlorine will be necessary in order to obviate viral pathogens.

In expiation of 2) above I cannot find in
a) engineering literature relevant to water or wastewater treatment or
b) topic research literature
a quantitative treatise describing chlorine concentration and expose duration for viral disinfection.

If you "have run into one" I would appreciate you posting a link to it.

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post #24 of 28 Old 08-15-2007, 06:15 PM Thread Starter
Well, I have not yet bleached or chlorinated the tank just yet. I did tear it down, rinse, and scrub it out, sans soap, but I have a question before I reclean it. Without a live host to support either a bacterial or viral infestation, should not either of those two infirmities die a natural death simply because there are no fish to host them? The tank is completely empty except for a thin layer of gravel, two silk plants, and the filter. Can bacteria and viruses live in any of these items? I am intending to leave it empty of all life for a week if not more.

Best wishes for your fishes!
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post #25 of 28 Old 08-16-2007, 12:04 AM
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to jones..

honestly I dont know where it comes from, but I will ask our exposure officer about the bleach concentration/duration when i see him for resources

to julie

it really depends on the bacteria. not knowing what kind of bacteria it is its just as possible that it thrives on <shrug> pizza. the only way to be sure is to kill em all and let god sort em out ;)

Dedicated, converted, lowes / home depot bulb buyer!
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post #26 of 28 Old 08-16-2007, 12:04 AM

Bacterium: some maybe but maybe not.

Where I am coming from here is that during my very first "algae fighting episode" I initially rinsed my very, very fine mechanical media in tap water and "let it sun on the back porch for periods of generally over two weeks (please note that I have tons of very fine mechanical media, 50Mu and 100Mu, and the back porch would be partially covered with 15 to 20 of these media pads)".
When I ceased the procedure cited above and began soaking the media in a mild chlorine solution "I believe" that I could tell a noticeable difference in the algae removal from the tank water.
If algae can survive in sunlight in this fine mechanical filtration media which appears to be very dry media for a period of two weeks then IMHO a bacterium (although not necessarily all types) can also.

Virus: a few maybe but generally not.

Viral pathogens are "nasty little devils".
Virus can remain dormant in surficial soils (IMHO as well as many other environments) for periods which are known to be at least 21 years prior to infection of a host cell.
Hence my previous question concerning chlorine concentration and chlorine contact times with respect to viral disinfection.

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post #27 of 28 Old 08-16-2007, 01:52 PM Thread Starter
Wow, I didn't realize all of that! I will work on bleaching the tank. :)

Best wishes for your fishes!
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post #28 of 28 Old 08-16-2007, 03:49 PM

As I am sure you are aware I spent a "ton of time" in the preparation of and multiple edits of my previous post

having said that:

I left out one item which I feel is critical and which is why I am reposting.

Chlorine exists in several forms which is toxic to fish.

Once you have the tank and the appurtenances thoroughly soaked and/or cleaned with the chlorine solution and rinsed please put water in the tank in which the appurtenances have been induced and add "a ton" of dechlorinate prior to their use and empty prior to adding the water which you will be using for your fishies.

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