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Purchased three new small rainbows, problem is the one died within a day from ick, the second developed ich after fourthy day,put it in hospital tank but he to died a day later, so the final one now should signs of ick, hospital for him too, hopefully i can save this one.
If one fish in a tank gets ick will the whole tank eventually get it?
If so, then I will need to treat the main tank. CAn cories handle the treatment?

Any other fish in that tank around the infected one is really likely to get it because the parasite in Ick is a free swimming one and it will move from one fish to the other. Definitely treat the main tank to kill any of the parasites that might be remaining and the hospital tank. I'm not sure about cories handling it because I have marine fish. [Maybe anyone else can help with that question?]

1 Ocellaris Clown: $14.95...1 Pink Dottyback: $12.99...1 Three Striped Damsel: $4.50...1 Blue Velvet Damsel: $8.95
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I had ich a little over a month ago and I have cories in my tank. I used 1/2 the dosage recommended to be a little easier on the cories and it still seemed to work just fine. I would go ahead and treat both of those tanks though, don't forget to remove the carbon from your filters so the carbon doesn't take the medication out.

Cories usually take ich medicines just fine, they are not usually a med susceptible catfish and are not counted among the many scaleless cats that do have problems with meds.

If youre worried use a safer med like esha exit, its zero problem to cories and rainbows. Whutespot is very contagious indeed , and every fish in the tank will odds on get it, and it gets spread by gravel washers, buckets and nets too, so make sure if you have multiple tanks that you dont use that equipment for all your tanks, and to prevent reinfestation make sure you sterilise all maintenance equipment with bleach or the meds .

Fishinfun
This might help you
The best thing to stop WS is prevention. I store all my water in 15Lt containers for one week by doing this the WS cannot find a host to live on.

Keith

WHITE SPOT ICH

“White-spot” Parasite, Ichthyophthirius multifiliis

This disease is easy to recognise, as the skin of the infected fish becomes covered with white spots, each the size of a pinhead. Each spot represents the site of one, or sometimes two, parasites. All parts of the body gills, may be attacked.

The causative agent is named Ichthyophthirius multifiliis. It is a spherical and large by protozoan standards, measuring up to 1mm in diameter. Short, hair-like processes known as cilia are spread densely over the surface. A horseshoe-shape nucleus is also present which is clearly visible under the microscope.

By the means of the cilia the parasite rotates vigorously and burrows into the surface layer (epidermis) of its host. It feeds on skin cells and surface debris. The burrowing action causes a local irritation and the epidermis grows across the parasite to enclose it, thus forming a “White Spot”

Reproduction occurs away from the host. After maturing in the skin, which takes a few days to three weeks, depending on the temperature, the parasite bores out, swims away and comes to rest on a submerged object such as a stone, or plant. Here it forms a jelly-like cyst within which a series of rapid cell divisions take place. In a few hours, several hundred daughter cells or swarmers, are produced, which break out of the cyst to find a new host. Alighting on the skin, they burrow in to recommence the life cycle. If they fail to find a host within three to four days, they perish.

Symptoms
If the protozoan is introduced into a tank containing healthy fish, little harm may occur, other than a fleeting infection with a few parasites. If however, the fishes are already weakened for some other reason, e.g. lack of oxygen, the parasite will quickly cover the whole body surface, causing irritation and opening up wounds for secondary infections. The host mobility may become affected. In sever cases, death may result.

Prevention
If white-spot appears in an otherwise healthy tank, the parasite “must” have been introduced either as an adult on a newly acquired fish, or as the cyst form on, for example new stones, a plant or even added water. The only certain method of prevention, is to quarantine all new stock, including stones, plants etc; preferably in water at a temperature of 77F. Allow one week’s quarantine.

Treatments
There are too many treatments today to recommend any specific one. Many can be bought easily at aquarium outlets.


Several very interesting points to think about.

Very easy to recognise.
Its reproduction cycle.
No host they will die.
If introduced into a healthy tank little harm may occur.
Pay attention to all tank details.
Weakened fish, and lack of oxygen can/may and will cause sever deaths. All this is usually caused by poor tank maintenance and/or incorrect and faulty equipment.
Prevention is the best cure
A Parasite “must” be introduced into the tank.

This information was collected from Fresh Water Tropical Fish

Have a look in [link=My Profile] http://www.fishprofiles.com/forums/member.aspx?id=1935[/link] for my tank info

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Betta 11Gal Desktop & Placidity 5ft Community Tank Photos

Keith

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thanks ya all for he great information. I should have known better now that my tank is up and running, get the quarantine tank going. Rookie error there.