I Need Help with dying fish :0(
I recently upgraded from a 35 gallon tank to a 60 gallon tank. In my 35 gallon tank I had a Pleco, 7 platys, 3 upside down catfish and 5 male guppies.
I drained the water from the old tank into buckets and put between 25 and 30 gallons of the water into my new tank. I used the same pebbles in the bottom as well as the same rocks and wood. I moved my filter to the new tank without cleaning it.
Once my new tank was set up I bought more fish (I realize I added to many at one time). My new tank had a Pleco, 8 platys, 3 upside down catfish and 8 male guppies, 6 Serpae Tetras, 4 black and 2 dalmatian mollys, 8 Lemon tetras and a mystery snail.
Since I upgraded I have lost 4 of my platys, all 8 guppies, both dalmatian mollys, 2 black mollys and a serpae tetra. This loss has been over a 2-4 week period.
Here are some numbers on water quality: pH 7.4, Ammonia 0.25, NitrITE 0, NitrATE 5, GH 11 (196.9 PPM), KH 3 (53.7 PPM).
I'm no sure why my fish are dying. From what I have read these numbers aren't too bad. I know my Mollys would prefer a higher GH, but everything else seems OK.
Any advice anyone can give would be greatly appreciated.
First off, welcome to Tropical Fish Keeping forum.
To your issue. Did you notice any abnormal behaviours from the fish that died? If it was ammonia or nitrite poisoning, I would expect to see the fish respirating very fast, gasping or "breathing" in air at the surface, listless, fins clamped. Were any of these signs present on any of the fish?
Second thought, you did use dechlorinator in the new tank, correct? And has anything that was not in the old tank been added to the new tank in the way of decor, rock, wood, etc?
Do you have live plants?
Thanks for your input. The fish all seemed to be acting OK. I did notice that one of my fishes tail became translucent. One of my Mollys did get a white spot on her nose, but it didn't look like Ick. I didn't notice any other really abnormal behavior. No fish at the surface except those that usually swim up there.
Actually I did have one male Molly that used to show his dorsal fin and I didn't see it for a day or two before he died.
I did use a dechlorinator in the new tank. I did not add anything to the new tank that was not in the old tank except water and fish.
I do have live plants. Is that bad?
Thanks again for any thoughts.
Thank you for your reply. My filter is an AquaClear 300 which is supposedly rated to 300 GPH (which I understand should work for a 100 gallon tank). However, I hear they are over-ratted on what they actually do.
I did use Prime water conditioner when I started the tank and when I do my water changes. I am using one cap full per gallon. Should I be using more?
Would you recommend a new larger filter, a second filter or more water changes?
Thanks again for the advice.
Did you say one cap full for EACH gallon. Or one Cap full for the entire water change?
If you have lightly clorinated water it's 2 drops of prime per gallon of water a cap full will do about 50-60 gallons of water. It says on the bottle how much chlorine it will remove. If you have heavy percentage it says I believe to use 50% more. But unless your in Southern California, I don't think you would have heavy cholorine.
I think your filter is okay as you have live plants. What types of plants? Also are you using a bio media in your filter?
Thank you for your response.
You read that correct, but I entered it incorrectly. I used one capful for the entire thing (I read the directions every time and do what it says. My old brand was a cap for 10 gallons).
One of my plats has some white growth that I have not seen before today (There is a picture of that too).
I also retested my water today. The numbers are exactly the same as they were two days ago.
Thanks again for your advice.
Even if the new tank is going through a mini cycle the Prime should convert the resulting ammonia from breaking the chloramine bond into fairly safer ammonium but that still will register as ammonia on your testing.
My guess is your local water is treated with chloramine but it still should turn out OK.
Should I be doing more frequent water changes at this point?
On the ammonia, have you tested your tap water on its own? Woudl be good to know if that is the source.
Nitrite at zero is good; nitrate at 5 is good (anything under 20 ppm for nitrate is fine, the lower the better).
The white spots on that plant look like some sort of fungus such as occurs on a bit of uneaten food.
Live plants benefit, which is why I asked. They use ammonia (as ammonium) so this always helps. Are you using any plant fertilizer?
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