That is a good way to monitor carbonation, but you don't need to put the beer in the fridge (unless it is root-beer). It will be fine if stored at room temp in the dark for months if not years.
"People should not be afraid of their governments. Governments should be afraid of their people." - V
Secondary: Shady Lord RIS, Water to Barleywine, Pumpkin wine, burnt mead
Kegged: Crappy infected mild
Bottles: Apfelwein, 999 Barleywine, Oatmeal Stout, Robust Porter, Robust smoked porter, Simcoe Smash