chemi pure carbon

[Baby Damsel 219]

will this product cause hlle in my yellow tang

 

[*GAREEF*]

will this product cause hlle in my yellow tang

I’ve read that it can long term but I’ve only ever used it in emergency situations and for no more than a few days at a time when I did and never had hole in head disease in my tangs.

 

[Baby Damsel 219]

so any carbon in general will cause hlle

 

[Baby Damsel 219]

i have carbon running right now and say if i were to remove it and then could i get a tang and not get hlle

 

[*GAREEF*]

so any carbon in general will cause hlle

That’s what I’ve read but I’ve never experienced it but have only ever used carbon and or chemi pure for very short periods of time.
Never used them long term.

 

[Fish Fan]

I still think we need a like button for "interesting".

I'm tagging along here, I'm not an expert in fish disease, Tangs or otherwise, but my suspicion is a firm maybe lol! Many reefers like to use Chemi-Pure, so I'd like to say it's safe. But my very limited understanding is that it's the carbon "dust" that gets into the system that causes HLLE. I'm thinking some carbons may indeed be better than others, but perhaps all should be pre-rinsed and not allowed to tumble in a media bag or reactor.

Here's a thread discussing this with some good replies, including post #4 from Randy Holmes-Farley (a long time reefer, and professional chemist):

https://www.reef2reef.com/threads/carbon-and-gfo-reactor-carbon-and-hlle.934241/

 

[Jay Hemdal Verified Community Expert]

I still think we need a like button for "interesting".

I'm tagging along here, I'm not an expert in fish disease, Tangs or otherwise, but my suspicion is a firm maybe lol! Many reefers like to use Chemi-Pure, so I'd like to say it's safe. But my very limited understanding is that it's the carbon "dust" that gets into the system that causes HLLE. I'm thinking some carbons may indeed be better than others, but perhaps all should be pre-rinsed and not allowed to tumble in a media bag or reactor.

Here's a thread discussing this with some good replies, including post #4 from Randy Holmes-Farley (a long time reefer, and professional chemist):

https://www.reef2reef.com/threads/carbon-and-gfo-reactor-carbon-and-hlle.934241/

That post mirrors my study - ROX and pelleted carbon, as well as Chemi-Pure does not cause the severe HLLE that soft lignite carbon does. We did see some microscopic HLLE in fish taken from water with pelleted carbon, but it wasn't visible to the naked eye.

https://www.reef2reef.com/ams/head-and-lateral-line-erosion-hlle.784/
That said, yellow tangs show HLLE differently than most other fish - they remain yellow, but their fins develop a sort of scalloped, eroded look.