My fish keep dying

[JAC-]

No worries it is correct to be skeptical of any information.

It is in the thread I linked, first page last post. The post is from Jay Hemdal. If you are bored you can read the thread. I get schooled by Jay on this.

The study is by Jay Hemdal or local disease expert.

Much appreciated.

 

[JAC-]

Much appreciated.

Thank you for bringing that to my attention @HudoVudu. I think I'm still going to use AC, but I will be rinsing it much more thoroughly now.

 

[Cell]

Interesting study. Clearly, more research is needed in the area. I think it's safe to say we are missing some key pieces of the puzzle still. I daresay lots of people use carbon with HLLE susceptible fish, so is the presence of a skimmer and use of high quality, low dust carbon truly the only protection? Has this ever been repeated with different sources of carbon or even different batches/lots from the same company? If it was as simply as carbon definitely causes HLLE, it would be a well known thing by now.

 

[HuduVudu]

Interesting study. Clearly, more research is needed in the area. I think it's safe to say we are missing some key pieces of the puzzle still. I daresay lots of people use carbon with HLLE susceptible fish, so is the presence of a skimmer and use of high quality, low dust carbon truly the only protection? Has this ever been repeated with different sources of carbon or even different batches/lots from the same company? If it was as simply as carbon definitely causes HLLE, it would be a well known thing by now.

That's the thing it doesn't definitively cause the problem in all fish, but there is definitely a link. I just think that people should be informed about the possible issues involved in things that they may do. If you choose to accept the risk then at least you had as much information as possible to properly weigh the risk. As adults I don't think that we get to pass on information. I am just trying to inform that there is risk. Nothing more.

 

[uninformed]

I believe my type-o may have lead to some confusion there. I had intended to say "from there" not form there, but that is not well worded regardless as I wasn't intending to even form a relationship between those two sentences.

Feel free to call me out without making a new account friends. I perfer to be corrected when I am wrong.

I am still learning myself.

@uninformed (I am not intending any insult there) You seem to have a pretty good grasp on chemistry. Do you think my theory or any of my points are incorrect?

You’re right, I do have a background in chemistry, although there are plenty of others here that would give me a run for my money. I understood your typo, but it still stands that H+ is a proton and has no electrons to donate to other reactions.

Since you asked, I would say you are generally correct in your high level understanding of water chemistry, but certain things you said stand out:

• RO water has a theoretical pH of 7, not 4, which someone already pointed out.
• KH and pH, in the systems we run, have a negligible impact on oxygen saturation. Likewise, the saturation of oxygen in water is not meaningfully impacted by the amount of CO2 in the same water, but you are correct when you say that they usually fluctuate in opposite directions because of the reactions of life that consume/produce them.

 

[afishbestservedcold]

https://afspubs.onlinelibrary.wiley.com/doi/abs/10.1080/08997659.2011.608608

Not sure if this is the one you posted but i was looking around and found a good amount of info supporting it.

I wasn't anecdotally saying it is bad, though these studies suggest that it is bad in excess, I was suggesting that it might not do all that much, especially in an established system

 

[JAC-]

You’re right, I do have a background in chemistry, although there are plenty of others here that would give me a run for my money. I understood your typo, but it still stands that H+ is a proton and has no electrons to donate to other reactions.

Since you asked, I would say you are generally correct in your high level understanding of water chemistry, but certain things you said stand out:

• RO water has a theoretical pH of 7, not 4, which someone already pointed out.
• KH and pH, in the systems we run, have a negligible impact on oxygen saturation. Likewise, the saturation of oxygen in water is not meaningfully impacted by the amount of CO2 in the same water, but you are correct when you say that they usually fluctuate in opposite directions because of the reactions of life that consume/produce them.

Thanks for the clarification friend. I certainly agree that the statements I made are not the rule, only what is commonly seen. (With the exception of where I was completely wrong that is )
Well said.

 

[Seabiscuit]

I see that you use rodi water. Ideally if the system is working , there should be just H2O, but do you use something to remove chlorine/chloramine just in case? Sure, some dissolved solids may be ok if the system isn't working its best, but chlorine/chloramines aren't really that great if they sneak through a rodi system not at its best. I'm so sorry for your loss.