Shimmying varyies based on the species. There is a type of shimmy specific to live bearers. The cause for this is:
from
https://www.thefishdoctor.co.uk/med...er-illnesses-how-to-recognise-and-treat-them/
Tetras are not livebearers and clearly prefer the type of water that would cause the shimmiies in livebearers. Therefore, you should look to another cause for your tetra. As I wrote initially, this can be any number of things. .
I would be way more concerned about why your parameters changed so radically that fast. This is most certainly not normal.
For the most part, pH is a less important factor than TDS/conductivity. Even working with the more limited KH and GH you can see a lot of what is needed to get an idea what is going on in the tank.
There is still way too little information here to be able to have any idea what is going on. Info about tap and tanks parameters to include all nitrogen complex readings are needed as well as tank temperature and what maintenance you do and how often. Also what are you feeding?
From what you keep saying i get the impression your tap water is pretty nasty and may be the cause. Until you provide a lot more info, anything I say is a guess.
One last comment. The cycle itself produces nitruc acid (nitrate). It is the cause of old tank syndrome. The acid burns up the KH and then the pH drops. At the same time the GH goes up. I just don't get the nature and intensity of the swings you report. I am starting not to trust the test numbers you are reporting????
The numbers are right, according to what came with the test kit. I do weekly water changes, & keep good parameters. I clean if needed, change filters as needed. I feed them flakes & bottom feeder food, & about once a week, they get bloodworms.
Maybe it is something else with the tetra. Either way, watching it tonight, I don't expect it to be alive tomorrow. I did move it to another tank, though, with good parameters.
Temperature usually stays about 78°. As for testing anything other than what I mentioned, I have no way right now to do that.
My tap water has lime, which is why we filter it. And like I saud, I usually mix it with
Shimmying varyies based on the species. There is a type of shimmy specific to live bearers. The cause for this is:
from
https://www.thefishdoctor.co.uk/med...er-illnesses-how-to-recognise-and-treat-them/
Tetras are not livebearers and clearly prefer the type of water that would cause the shimmiies in livebearers. Therefore, you should look to another cause for your tetra. As I wrote initially, this can be any number of things. .
I would be way more concerned about why your parameters changed so radically that fast. This is most certainly not normal.
For the most part, pH is a less important factor than TDS/conductivity. Even working with the more limited KH and GH you can see a lot of what is needed to get an idea what is going on in the tank.
There is still way too little information here to be able to have any idea what is going on. Info about tap and tanks parameters to include all nitrogen complex readings are needed as well as tank temperature and what maintenance you do and how often. Also what are you feeding?
From what you keep saying i get the impression your tap water is pretty nasty and may be the cause. Until you provide a lot more info, anything I say is a guess.
One last comment. The cycle itself produces nitruc acid (nitrate). It is the cause of old tank syndrome. The acid burns up the KH and then the pH drops. At the same time the GH goes up. I just don't get the nature and intensity of the swings you report. I am starting not to trust the test numbers you are reporting????
I get my numbers from the information included with my test kits. I don't know why there was a sudden drop. The only thing I did different...I used AmQuel 3 days in a row for the nitrates. Maybe that was too much? I don't know. Normally, if there is a problem, as there has been before with my other tank, it only takes one dose. But it didn't work that way this time.
Maybe it is something different with the tetra. I moved it to the other tank, which has good parameters, but I don't expect it to be alive tomorrow.
I do weekly water changes, anywhere from 25% to 50%. I normally use a mixture of RO water & my filtered tap water. My water has lime in it, which is why we filter it. My parameters are normally stable.
I don't have a way right now to test anything other than what I mentioned.
And like I said, my numbers have stayed within the same very small range for the past 10 months. This is the only time my pH has been below 7.0. As for my KH, sometimes it will drop to 4 or 5, but usually stays at 6. When it does drop, I use my filtered tap water, & it brings it back up.
I don't live alone, so I had to go ahead & do something earlier, so I did a 50% wc, & I will test it again tomorrow.