Fish Tank Tool performs a variety of tasks such as calculating the volume and surface area of an aquarium, estimating the number of fish that can be kept in it safely, and quickly converting between different units of temperature, length, and salinity.
Fish Tank Tool is specially designed for aquarists who keep freshwater and brackish water aquaria. [
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Note:
You are now downloading a Freeware version of Fish Tank Tool.
You don't have to pay in order to use or download Fish Tank Tool. 
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