I will answer that question, if you find the damsel soon enough, then no, the ammonia levels will not spike, but if you leave it in there for a few days then your levels will rise.
I have a 29 gallon FOWLR tank. I want to have a mini-reef tank with only mushrooms, some polyps, and some leathers.
How much wattage should I have?
My lighting right now is:
Blue Actinic 20 watt.
50/50 20 watt.