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Weird white patch on tail, no other symptoms


Nobodies_Child

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  • Regular Member

So, I thought this was Ich because Big Black came to me with a tiny ich spot and seemed rather prone to the problem but readily healed with salt and heat. But, since upgrading to the larger tank, I decided to pull him and put him in my quarantine tank anyway. 1 week of salt &80 degrees = no change. Now, we've done a week of Melafix and Pimafix and while the issue isn't SPREADING, it doesn't look much better either. Anyone?


    Test Results for the Following:
  • * Ammonia Level 0
  • * Nitrite Level between 0 and .5
  • * Nitrate level 40 (he's a huge fish, the filter is still getting used to him!)
  • * Ph Level, Tank (If possible, KH, GH and chloramines) PH 6.8, KH 40, GH 150
  • * Ph Level, Tap (If possible, KH, GH and chloramines) PH 6.8 . . . GH 75, KH 80
    Other Required Info:
  • * Brand of test-kit used and whether strips or drops? 5 in 1 strips (I knooow)
  • * Water temperature? 80 F
  • * Tank size (how many gals.) and how long has it been running? 20 gallon long, running 3-4 months
  • * What is the name and "size of the filter"(s)? Emperor 280, which I had assumed was plenty for a tiny tank that really only holds 2 Platties and a betta.
  • * How often do you change the water and how much? once a week, 60-75%

  • * How many days ago was the last water change and how much did you change? 6, was advised to wait until done with Pima and Mela
  • * How many fish in the tank and their size? 1 5-6 inch Oranda, 2 platties (less than one inch), one Betta (1.5 - 2 inches)
  • * What kind of water additives or conditioners? Prime and Stability.
  • * What do you feed your fish and how often? Omega One goldfish flakes for the Oranda, and Tetra tropical crisps for the platties & Betta.
  • * Any new fish added to the tank? Just the sick fish.
  • * Any medications added to the tank? Melafix and Pimafix.
  • * List entire medication/treatment history for fish and tank. Please include salt, Prazi, PP, etc and the approximate time and duration of treatment. always salted to .1, 1 week salted to .3 , and one week mela & pima fix.
  • * Any unusual findings on the fish such as "grains of salt," bloody streaks, frayed fins or fungus? Just the white patch pictures below.
  • * Any unusual behavior like staying at the bottom, not eating, etc.? NOTHING! He behaves totally normally, eats, swims, interacts through the glass. No other fish he's been in contact with have gotten the white patches either and they are all acting normal as well (if not a little nervous about their whale of a roomate)

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Sorry, he's pretty terrible about letting me take pictures of it. . . probably self conscious ;)

Anyone recognize that stuff? At first it almost looked like his fin was disintegrating in that spot, now it looks almost like peeling skin after a sunburn. So weird!

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It looks like a patch of columnaris infection. I would recommend salting the tank to 0.2%, PLUS doing daily 50% WCs for the next week or so until the patch disappears. Remember to replace the salt during WCs.

The other thing I'm a bit concerned about is the pH. Although the water is generally hard, a pH of 6.8 is a bit low. I would recommend using a buffer such as Buff It Up or Seachem Gold Buffer to bring it to about 7.6. If you need more help with this, I'll be glad to help :)

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