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Heater & Chiller Failure Calculator

This calculator attempts to plot the change in aquarium temperature as a function of time in the event of a power failure. Many of the inputs are similar to those in the Heater & Chiller Sizing Calculator. Please read the instructions for that calculator for more information about any input.

If your aquarium system consists of multiple tanks plumbed together, keep in mind that in the event of a power failure there will be no circulation between the tanks and each tank will equilibrate at it's own individual pace.

Aquarium Dimensions:

Outer Length:
 

Outer Width:
 

Outer Height:
 

Material:


Thickness:
 

Water Volume*:
 

Air Speed Around Aquarium:
  per

* If you don't want to manually enter a volume estimate that accounts for displacement by rock, sand, and equipment, enter zero here to have the calculator automatically estimate your water volume.

Aquarium Top:

Air Speed Over Aquarium Top:
  per

Cover Type:


Material:


Thickness:
 


Aquarium Bottom:

Supporting Panel Type:


Material:


Thickness:
 


Water Chemistry:

Salinity:
 

Aquarium Sides:

Side Insulation Type:


 
 
 
 

Material:


Thickness:
 


Rate of Evaporation:

Initial Evaporation*:
 

Per:
 

* Note that certain equipment contribute to increased evaporation and that when these equipment are non-functional (such as during a power outage), your evaporation rate will be lower than you normally observe.

Expected Ambient Evaporation*:
 

Per:
 

* This is the expected evaporation of the system when it reaches ambient room temperature.

Temperatures:

Initial System Temperature*:
 

Ambient Room Temperature:
 

* The temperature unit used here will be the one used in the plot.

Results:

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