I remember going through this with car stereo speakers, only we were trying to figure out the resistance, which is in ohms. (???) I don't remember the wattage or amperage being a problem, either in parallel or series. But I am not even a novice when it comes to electronics.
Aquascape? I'm a crypt farmer.
It's a fine line between fishing and standing on the shore looking like an idiot.
That IS an aquascape, it's titled "The Vacant Lot".