Originally Posted by dannyonekenobi
It can be worthing thinking of the ervior as a cup of teas, the larger the amount of liquid, the longer it takes to disipate the heat. With that said, I am going for a full reservior to start with this time. If I find it difficult to cool at higher temperatures then removing some liquid is one option to fix it.
The amount of liquid doesn't affect the cooling capacity, it affects the thermal inertia: How fast it cools or warms up. The maximum temps aren't affected by the quantity of liquid, just how fast it gets there.