Shipped Fish

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CrazyLegz said:
Why do you have to acclimate them?? The floating bag thing is for temperature purposes in which your package should have heat packs in there...The main concern with shipping fish is oxtgen levels...I always put my fish right in the tank when I get them shipped and leave the light off until they comfortable...

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this can send them into nitrogen shock or even ph shock the acclimation is for them to acclimate to the new tank water parameters as i can see you have a nice looking EBJD most of them are fragile so throwing them in a new tank with out acclimation is a risk i would not take
 
aclockworkorange said:
http://www.monsterfishkeepers.com/forums/showthread.php?5350-Acclimating-LARGE-Fish

Good thread on some reasons why you should NOT float bags, and why I don't typically drip acclimate. Squirt and dump has served me well. :)


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This is a good article, but as a biologist, I have a few small corrections to make. In the wild, fish are indeed exposed to ammonia, nitrites and nitrates. However, due to the size of their environment (a source of water many times greater than any aquarium a hobbyist could dream of keeping), the concentrations are generally very low unless you take readings from a stagnant water source or a dead zone in flowing water source.

The temperature information is correct. Fish do go through multiple slow water temperature changes daily. But the pH just depends on what area they come from. There are some rivers and lakes that see pH swings, but these swings are generally less than 0.3 per occurrence and less than 0.5 from a "fixed" pH value. Other areas see absolutely no change at all. Generally those are going to be lakes and some of the slower moving rivers. Fast moving rivers don't allow a pH change to adjust itself with the local pH quickly enough to not cause a swing, but a slow moving water source would allow for this adjustment to be made before it reached further downstream. Now this doesn't take into account the source of the pH change, which can be (and often is) from a man made chemical or a natural occurrence, such as a dead animal or large plant that falls into the water source and remains long enough to decay and cause the pH to drop.


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Convict Cichlids said:
So just remove the fish from the bag and add them to my tank?

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No, they cut open the bag, splash a little prime in, then drop the fish into the tank. Note they try to avoid getting any of the water from the bag into the tank
 
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