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Old 07-20-2006, 12:44 PM   #1
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Yellow Tang showing signs lateral line erosion

I have a yellow tang that is starting to show signs of erosion around the eyes and its lateral line. Is this reversable? what should I do? My water quality is 0 ammonia, 0 nitrites, natrates are around 5 to 10 ppm. I use RO water and change about 25 gallons every 2 wks. sHe is always looking for food. I have had for almost a year now I guess. she never really has put on much weight. I have been giving a half sheet of seedweed selects about every other day. Any advice would be appreciated. I really dont want to lose her.

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Old 07-20-2006, 01:31 PM   #2
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If you have a voltmeter, check to see if there is any voltage diffrence between your water and ground. A charge in the water can cause HLLE. A grounding probe can solve this problem.

Nutrient deficciencies can also cause HLLE. Tangs are one of the exceptions to the rules about feeding less often. They should have greens to munch on all the time. Absolutely best would be to find a supply of live seaweeds for her, second best is to give her Nori or other seaweed every day, soaked in selcon or another nutrient booster. (Live seaweeds won't involve excess waste, or having to remove the uneaten portion before it breaks down.)

Stress can also cause HLLE

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Old 07-20-2006, 01:51 PM   #3
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Romaine lettuce, on a clip will stay "fresh" and on the clip for a longer period of time. I know nori can be a pain, you might want to switch off what you are feeding. Fresh spinach also works well. You might also want to pick up some selcon or zoe to soak any frozen or flake food in before feeding.
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Old 07-20-2006, 07:50 PM   #4
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I have always read that lettuce has no nutritional value for fish??
I do think that selcon and zeo would be a good idea and feeding maybe smaller pieces of nori daily. I try and vary the food for the fish, mysis,brine,nori and flake with some cyclpoeeze once in a while. I think variety is good for the fish.
fresh caluerpa and algae is also a good idea.
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Old 07-20-2006, 08:12 PM   #5
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You can't prove that by me, my tangs are fat and healthy....iceberg lettuce has no nutritional value, the leaf lettuces do.
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Old 07-21-2006, 10:20 AM   #6
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I agree that variety is the key to a good diet.

You might consider a grounding probe if you think it's not a diet problem. Wether they help fish or not (still in debate) they will protect you in the case of equiptment failure.
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Old 07-21-2006, 10:24 AM   #7
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There are different kinds of lettuce
I'm a guy what do I know..
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Old 07-21-2006, 01:13 PM   #8
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Quote:
Originally Posted by seaham358
There are different kinds of lettuce
I'm a guy what do I know..
It's true that the darker, leafy lettuces have more nutrients than the lighter head lettuces. In general though, it's best to provide ocean veggies to ocean fish. If this one wasn't ill, I wouldn't make a fuss about it, but he is, so I think it's important to note that the amino acid ratios are diffrent between sea and terrestrial products.
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Old 07-21-2006, 04:41 PM   #9
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Thanks Guys,

The advice has been more than helpful. I do believe the issue is diet. I wish I would have realized it sooner. The other fish in the tank are in great shape. I did put some spinach in the tank last night but she wasnt too into it. the banner fish on the other hand loved it. For now im going to supply her with plenty of whatever she'll eat, and ramp up the water changes and see what happens. If I have to seperate her I will do that. I also think the caluerpa is a great idea. Im going to give growing the algae in my sump a shot and see what happens.
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Old 07-21-2006, 04:48 PM   #10
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Quote:
I did put some spinach in the tank last night but she wasnt too into it
Did/can you soak that in garlic, selcon and/or zoe. The garlic should intice her to eat, plus helps the immune system....
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