Stupid tang

[deagan14]

Can't believe this happening my tank now has ich!!

60 days at 1.0065 well under the needed 1.009 to kill the parasitebut I saw no ill effects of the tang with this salinity so I kept it extremely stableAfter those 2 months I brought the salinity up over the course of 1.5 weeks, and than kept it in there another 2 weeks. So a total of 90 days came to be a waste and possibly a complete devastation to my reef!!
I changed filter media and activated carbon in the quarintine tank daily, and also did a 50 percent water change weekly
I'm sick to my stomach after this work for nothing

 

[Nina51]

your post is kind of confusing. is the tang in your display tank or is it in quarantine? if it's in your dt, did you quarantine it before adding it to your dt?

 

[snorvich]

If it is in quarantine, do tank transfer and be done with the problem. However, how are you measuring specific gravity?

 

[deagan14]

No he is now in the display after 3 months in quarintine

 

[Mishri]

well thats a shame. I recently got calibration fluid for my refractometer and found it was reading .002 high. Have you recently calibrated yours?

 

[deagan14]

I calibrated it at least twice a week I also have two refractomters and they read the same thing

 

[ThRoewer]

well thats a shame. I recently got calibration fluid for my refractometer and found it was reading .002 high. Have you recently calibrated yours?

The calibration fluid is fine (assuming you use a 35 ppt salinity standard and not a 53000 mS conductivity standard) if you calibrate for measurements around 35 ppt but for hyposalinity (~12 - 16 ppt) I would always calibrate to "0" with RO or distilled water and also check the calibration before and after each measurement.

 

[andy01748]

Or confirm that RODI or distilled water reads 1.000 after you have calibrated.

 

[ThRoewer]

Or confirm that RODI or distilled water reads 1.000 after you have calibrated.

Yes, but it likely won't.

 

[deagan14]

I really doubt it was anything to do with calibration

 

[ThRoewer]

I really doubt it was anything to do with calibration

I never indicated that

 

[Mishri]

Yes, but it likely won't.

That's actually exactly how I calibrate mine, theory is, if they both read what is expected I know it's calibrated properly. Every time I've calibrated to 35ppt it reads 0 on RODI. (My issue with it being too high was I was calibrating with RO/DI water and the bottom line is thick, I was calibrating to the bottom of the line, apparently it should be at the top)

 

[srva80]

how did you remove ich from the DT before adding him back in?

 

[Spar]

how did you remove ich from the DT before adding him back in?

+1 - this is was my question as well.

it is highly possible that ich was already in your DT and just not noticeable on the current fish. fish having strong immune systems keeping the parasites in low numbers. when adding a new fish it changes the balance of the tank and then bam a fish gets hit hard, often the newest arrival.

1.0065 is lower than what the fish could have tolerated. if it was that low the fish likely would have died in that time period. at least that is my understanding of low salinity levels.