So, if your fish ‘disappear’ and you can’t find any bodies, look in the filter even if you think it’s not possible! The Living Fossil and Cryptozoology. You should also be testing the water daily, and monitoring changes, since pH swings and the like can also cause issues. I don’t know if this is enough info, anything helps, thanks for reading, ~ A concerned and curios fish owner. Goldfish cannot be kept in 1 gallon bowls, you will have the same problems that you had that we discussed before. Also, when you add new fish to your tank, do you drip acclimate them? Unfortunately, fish don’t come with instructions. Your new filter will not contain any beneficial bacteria, which will lead to waste quickly accumulating to lethal levels. They appear little rude. Help please, I just got a 20 gal tank tetra tank with a filter and water temperature. I light vacuum the substrate, which is active-flora. My pregnant red albino was in one tank about to have babies. When you say you cycled the tank for a week, did you do it correctly using ammonia and test to ensure that ammonia and nitrite were at zero with elevated nitrates? However, the test tubes showed a very different story. Thanks for updating me! I do follow the instructions to a T, it’s usually me doing the testing and my boyfriend reading the instructions. The tank has been set up for about 9 months and I do regular water changes, The ammonia is 0, the nitrite is 0, nitrate is 5ppm, ph is 7.4-7.6, temp is 78deg, everything looks good but not sure why these guys are dying. I tried helping him swim right side up but it was useless. I feel so bad for those innocent little guppies. He has been great in his bowl (the ones with the top for a small child) until recently she wanted a few more fish. Eating A Deep Fried Fish That's Still Alive (VIDEO) By ThienVinh Nguyen. As far as the bio media, it’s a reputable company that recommends changing it every 3 months. Now only one fish still alive in the tank and he’s not looking to good. After all, no fish is going to live forever, and one day your lively little fish is going to give up the ghost. You are overfeeding waaaay to much, which you have partially identified. Well, sometimes nitrate is 0, and sometimes ammonia is clearly 0. Now I’m also seeing what seems to look like worms possibly in the tank. This is just as important as nitrite and nitrate. The 20G has the same water parameters, same filter, substrate. I’m totally breaking the tank down, will sanitize with a bleach solution. what can i do now?.. I would suggest reading up on how many gold fish you can keep in a tank. He's about 5 years old, and has been eating fish flakes his whole life, and has never had this problem. My water parameters are 0’s for ammonia, nitrite and nitrate, as well as 0 for chlorine and chloramine, pH 7.2, alkalinity 80, hardness 75, temperature 78. I have tried 3 times adding fish after they say my water tested perfect. I don’t know if it’s the stress because all they told me to do was to keep the bag in the fish tank for 20 minutes and then let them go. I also have a 20 gallon with glo tetras that are doing great. I’m putting my 2nd 20G and55G on hold till this one is up and running again. I have a 70 Gal. My largest koi Sunflower, is about 7.5 inches long! I upgraded to a 10 gallon tank and added a few neon tetras. Unfortunately, I am not qualified to diagnose your fish. Is it possible one of the new fish I got was sick and killed the other ones? I can attest that this is correct. Firstly, welcome to the hobby. The blue one was still swimming normally when I left the house I’m really sad about this. You should be using a liquid test kit to test these (I recommend the API master test kit) since test strips are both inaccurate and more expensive over time. Could enough junk and dirt build up polluting the water? Why not take a photo of your setup and ask your local fish store? I’m not surprised you are losing fish. In an appropriate sized tank, there would be room for both to get fed and enough oxygen in the water. I think we may be getting closer to the issue, at least based on what you have said. If you or your readers have any favorite resources to share i would be so grateful. All other tank members look great, are acting normally, and feeding well (I feed a pinch of fluval bug bites food once a day, and fed them some frozen brine shrimp instead more recently) and there is never any leftovers. . Grab a test kit to make sure. Great article. Fish need their darkness too! It literally ate all of the stems of the banana plant (which it had never eaten before). How Many Fish Are Still Alive? Check to see if there is a fish … Oh if only I could go back in time, I have made peace with myself and learned from my mistakes as a beginner. You can’t keep adding fish and hope for the best, the “one inch per gallon” rule is a myth. the next day my sister fish was dead I didn’t think much of it cause her fish was small so we got her a new fish. One of those plug-in timers will allow you to schedule the lights. Recently, I added new fish this summer (2 small goldfish). Keeping your fish stress-free goes a long way toward keeping your fish alive. So, let’s take a look at the common causes of stress that can lead to the untimely death of your pet fish. My goldfish is still alive and breathing but he is floating at the top of the tank on his side. I have been able to keep most of my fish for at least 4-6 months before disaster, some as long as a year, so it’s not like they all die instantly. When the time comes to replace the ceramic rings, they are swapped out half at a time, so that they beneficial bacteria can move to the new ceramic rings. i believe he will die very soon as this is day six since he has been unwell. I had under 0.25ppm ammonia, but thought it was due to dead fish in the tank. Are the fish that dye showing signs of disease? Is there a different brand that is more accurate? But just because your fish isn’t dead yet doesn’t mean that your setup is right. If nitrate is always at 0 then that isn’t really normal. so tonight i bought 3 goldfish to use as test subjects but this was a very short test because they were all dead 3 hours later. I started my tank (120l/30gal) at the end of January and began a fishless cycle using ammonia. I am doing water changing 25% everyday . First, you know that good bacteria I talked about in the previous section – the one that breaks down waste to keep the water healthy? You didn’t set up your tank properly (cycling, etc.). The amount of fish will entirely be determined by the type of fish. Really, you only need a single Fluval FX6 on a tank this size. 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