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  1. #1

    Join Date
    Feb 2010
    Location
    Ypsilanti, Michigan
    Posts
    5,754

    Awards Showcase

    A lovely red rose for you to enjoy ... - mermaidwannabe for the help - smaug Happy Father's Day! - Aminax awesome tank in TOTM - Lady Hobbs Good guess! - Lab_Rat 
    To match your Super speed LOL - 850R Cool contest! - Wild Turkey Great shrimp advice - Wild Turkey You have the patience of a rock - Aeonflame Happy 5th Anniversary - Aminax 
    Thanks! - Scrup hmm i dont this its the right species... but merry xmas XD - genocidex Merry Christmas! I blub you! - Aminax I love following your informative and well designed threads. I hope these loaches get huge for you! - Sandz Happy 30th birthday! - Aminax 
    Merry Christmas - Cliff Thanks for you help! Cheers! - koaladarshana Happy Birthday Bud. Cheers! - Strider199 Merry Xmas! Ill drink to that! - Sandz Happy New Year! - jeffs99dime 
    Cancer - Epilepsy - Foster Care - Gynecological Cancer - Rett Syndrome - Brhino 

    Default Symptoms of temporary temperature shock?


    0 Not allowed!
    Continuing to brainstorm issues related to my sudden loss of loaches. I need to know more about temperature shock.

    I know that sudden exposure to very cold water is instantly fatal to most tropical fish, hence icewater being commonly used for euthanasia [although I've also seen that that may not be as quick and painless as we'd like to think].

    I also know that a gradual drop in temperature, such as when a house loses power or a heater quits working, stresses the fish and makes it at risk for other issues, like ich.

    But what would happen if a fish went through some temporary but rapid temperature changes? Like, say, one moment the fish is in 78 degree water, then the next moment its in 60 degree water, and then after that it's back in 78 degree water? What sorts of behaviors or symptoms would you expect from the fish?
    300 gallon mega tank: build in progress
    75 gallon community tank: tetras, danios, corys, platies, otos, pearl gouramis, bristlenose pleco, assassin snails, red cherry shrimp, bamboo shrimp
    70 gallon growout tank: clown loaches, sailfin pleco
    60 gallon goldfish tank: fancy goldfish
    29 gallon frog tank: 1 bullfrog
    10 gallon and 5.5 gallon betta tanks: 1 male betta each, sometimes snails

  2. Default


    0 Not allowed!
    i think the thing to look at is something like this:

    you don't change 100% of the water, so the new water you add is diluted to the 78deg temp water.
    I measure the temp from new water with my hand (so i'm assuming i'm always a few degree's off)
    but when i add in 50% of new water that is colder (lets use your #'s) at 60degrees
    then technically the swing isn't 18 degree's they go through. it's more like 9 b/c of the dilution.

    (and this is all in the assumption that your heater is off during the pwc)

    but regardless, the behaviors i would expect are just a shocked fish-something of the sorts where they are shy/hidden and not too active, little change in color.

    but after a few minutes they are back to normal.

    i believe temp changes can stress fish and massive ones can kill them. but i also believe that temp changes happen in nature, the sun makes the water warm, and at night i bet it gets fairly chilly.

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