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    RSM 130D ATO sensor placement?

    I would like to know the best place to put the water level sensors? In the main tank, or in one of the rear chambers? I ordered an ATO with a optic water sensor and a mechanical over fill float protection. Thanks for any input I'm new to this stuff.
  2. C

    Keeping tank cool?

    I have a RSM 130D. I still have the T5 bulbs. If I leave the lights on all day it heats up the tank very quickly. Does anyone have any suggestions other than leaving the lid open? Maybe LED's? This is my first AIO tank like this. Thanks
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