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temperature monitor

 monitors temperature in fish tank and sound alarm if tempature becomes unsatisfactory
 
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is cased in a plastic box and will be attached to side of the tank. if temperature becomes too high or too low and LED will lflash and an alram sound and a relay will trun off the heater
—celtic7329, Apr 15 2002

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       Thermostatic aquarium heaters have been available for as long as I can remember.
—neelandan, Apr 15 2002
   

       I think bristolz just wants to be able to Iflash everyone.
—Pseudonym #3, Apr 15 2002
   

       The answer to this is to breed fish that can live in water over a wide range of temperatures. This may, of course, cause difficulties to those who insist on boiling their fish for supper.
—Teacake, Feb 19 2004
   


 

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