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The pipe from the descent directly into the external filter and from the outlet of the external filter directly to the inlet of the chiller and from the outlet of the chiller to the aquarium. And for the temperature setting, press "set" and with the buttons on each side choose the temperature then that's it.
The temperature indicated when you are going to turn it on is the temperature of your water.
Lenakrui Mobile Local Air Conditioner Advance / Move - 7000/9000/12000 BTU Portable Air Conditioner [Energy Class A] (Move 9000+ (9.000 BTU)