I've been using a simple timer on my Windows computer to keep track of when the fire needs to be checked next. This is super handy when the internet distracts you. (Never happens, right?) They're free and works great.
For Windows
http://dan.hersam.com/software/snaptimer/index.html?utm_source=twitterfeed&utm_medium=twitter
For Mac (haven't tried this one yet):
http://download.cnet.com/Timer/3000-2124_4-143740.html
For Windows
http://dan.hersam.com/software/snaptimer/index.html?utm_source=twitterfeed&utm_medium=twitter
For Mac (haven't tried this one yet):
http://download.cnet.com/Timer/3000-2124_4-143740.html