Doesn't sound like you had any fluctuations. Only your heater was on until the beer reached temp. The hot air left in the chamber doesn't have much thermal mass (compared to the beer) and I'm sure it quickly evened out to near your set temp.
If you want the temp to rise slower then put the...
If you think you will be doing this hobby for awhile spend the money now. I'm the guy who is on his fourth pot as I kept upgrading. Plus 32qt is pushing it for a full 5gal boil. The 60qt pot above would be great. Al or SS both are fine.
14 kegs (4 ball and 10pin).
Was at the scrap yard just after Coke dropped off a bunch of kegs. Talked the worker into selling them for 2$ each...had a $20 in my pocket. Only negative is that I now have to buy pin lock connectors.
Cold weather is finally giving me time for indoor projects.
Mockup of fermentation cabinet and sink/tub.
Building fermentation cabinet walls.
Painting all the finished walls.