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Thread: Heatwave Killed my Tigers!!!

  1. #1
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    Default Heatwave Killed my Tigers!!!

    Weather in the UK has been extremely hot for the past few weeks with temperature as high as 37C!!! My tank temperature reached nearly 30C! I used a fan to cool down but did not help much, it reduced down to about 27C.

    One by one, my aldult tiger shrimps were dying and head count now reaches 11 death!! Only three alduts left and they are all females, so no eggs for now.
    Luckly all the baby tigers were alive an kicking! So I will just have to wait until these grow up to have another reproductive population.

    I must add that despite the tigers dying off, the cherries are tough as hell! They do not seem to be bothered at all by the heat. They remain calm as usual. During the heat wave, the dying tigers were not responsive to food and they would reach up to the surface of the water or near the water outlet to ‘cool’ down but to find them dead the next day. So watch out if they rise to the top of the surface!! During this time, the cherries continued to feed and stay at the bottom! Still no eggs from the cherries yet!!!! WHY?? I need to buy more in case mine are all females.

    Hope the hot weather is over soon!
    Immortal Mind Seeks Immortal Aquaria
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    Sad to hear that. However that is a problem we face a lot over here where the weather is hot all the time.

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    bochr
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    Sorry to hear about your tigers.

    We have the same problem here in Denmark, where the last month has been unusually warm.
    On the warmest days I have put some icecubes behind my hmf's. That has helped some. I still lost 1/3 of the shrimps in the hottest tanks.
    They promise cooler weather tomorrow. I',m crossing my fingers, that they are right.

  4. #4
    bjar
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    It is easy to keep the temp down,just put enough plastic bottles with frozen
    water in the tank(leave enough air in it so it floats) some extra cirkulation with an air pump is also goood to help even out the temperature and increase oxygen in the water since hot water holds less oxygen than cold water does
    and switch off or remove the lights (they can heat the water more than you think!)
    Last edited by silane; 31st Jul 2006 at 03:14 PM.

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    New Member keithtang's Avatar
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    Cooling tank with bottle of ice
    is a way but they melt off very
    fast and need to replace in no time

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    It's ok learn from this. Be prepared for the next summer .
    Last edited by Robert; 31st Jul 2006 at 11:52 PM.
    Regards,
    Sim

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    Get a chiller to standby for next time? I reckon there will be more heatwaves in the future.
    the spirit is willing but the flesh is weak....

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    I agree that bjar's advice isn't so good for you guys in Singapore.
    But in Sweden the heatwave(>25C) is max 1/10'th of the year, and in the nights it drops fast.
    So in countries like Sweden his advise are really good, a much more simple solution than many think of.

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    Another option to get down water temp, would be invert the lighting period at the night. I mean, turn on the light at the night and turn off at the day.

    In Spain we are having maximun level of 40º C, we are used to this temperature all summer. We keep our houses totaly close, so the hot air doesn´t go in the house and keep down the temperature. In the tanks I use to use cooling fans, getting temperature levels around 27ºC.

    In the middle of july I had go out of my home, and in that time my cooling fan set up had a problem and it stopped to work. Temperature got up around 34ºC and the most of my shrimp died... but I am plenty of hopes, some of my strange Neocaridinas sp. 'leopard' (I name them so) survived to the heat accident.



    Greets from Spain

  10. #10
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    Thanks for sharing the experience. Nice picture! It looks like some sort of Tiger hybrids. Do you have any other types of shrimps in the tank?
    Immortal Mind Seeks Immortal Aquaria
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