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Results 1 to 4 of 4
  1. Unhappy Why are my RCS dying?


    0 Not allowed!
    I have the 8-gallon Fluval Ebi kit, including the filter, light, substrate, that come with it. I set up the tank in November, and bought 5 Red Cherry Shrimp (wanted to start small in case it didn't work). The tank is heavily planted with java ferns, anubias, the like. pH of about 6.8, 0 Ammonia, 0 Nitrites, ~5 Nitrate. During the winter, the temperature fluctuated between 60-70 degrees Fahrenheit, but now that it's summer, it's more like 80-84 degrees. I do weekly water changes of about 25%, I add dechlorinator to a bucket of water the night before and let it sit.

    They've been completely fine since I've gotten them, no deaths, and three times a female has given birth to a litter of shrimplets. At this point I have no idea how many shrimp I have, since the tank is so planted I can usually only see 2-3 at a time, but I estimate the number to be around 15-20. However, a few days ago I found a dead shrimp at the bottom, and I found another one today. This is the first time I've ever had a shrimp die, and I'm really confused. The only thing that I can think of that changed is the temperature, but I read that RCS are supposed to be okay in temps of ~57-86 degrees Celsius, so they should be fine, even if it's a bit on the high end.

    Did my shrimp just live to the end of their natural lifespan? I got them 8 months ago, and I don't know how old they were when I got them. If not, am I doing something wrong?

  2. #2

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    Default


    0 Not allowed!
    10 degree temperature swings seems a bit severe...but 4 degrees gradually in the summer shouldn't be giving you any issue. Still tho, you should try to stabilise the temperature.

    If you've had them this long, you are prolly familiar with moulting, but I'll ask just in case - are you sure that what you saw are dead shrimp and not just moulted skins? Sometimes its hard to tell without removing them/giving them a poke.

  3. #3

    Default


    0 Not allowed!
    Possible but unlikely. Dead shrimp go pink, shells don't/ Are the other shrimp eating the bodies? In the rate they're dying we can consider poisoning unlikely, they don't die fast enough.

    84F is almost 29c. That is really high for these shrimp. IS there enough air getting into the water?

    Low ph water usually means soft water as well. These guys do need some minerals for their exoskeletons though. What are you feeding?

  4. #4

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    Default


    0 Not allowed!
    Have you considered adding an airstone and pump with that high temperature? Get that O2 in the water for them.
    The rest of your info sounds good. Do you feed them or are you relying on algae to keep them fed?
    Warning; Bulldog Pleco guarding my Sons tank now..

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