High/Low temp alarm for Reef Aqaurium

[kaimarkhirst]

Hi,

Setting up a safeguard system and would like to know what would the highest temp and the lowest temp need to be set for for the alarm to sound??

Thanks indeed

Kai

[AABatteries]

I have mine set a 77°F for low, always. And 82°F in the summer, 80°F for the rest of the year for high.