ventilation

I’m in the process of building a tank (50g Acrylic), tank stand, and sump (20g long). The sump will have a refugium (including a light) along with a protein skimmer and return pump. The sump will be located under the main tank, in the stand, enclosed by 3 wood walls. I hadn’t considered...

Hi all, i'm looking to add a ventilation fan to tackle high humidity in the cabinet. About to install and just starting wondering, should the fan be extracting the hot humid air out of the cabinet or sucking cooler clean air in? I've Googled but found mixed opinions.

After over engineering my tank stand the opening in the back proved to not be enough ventilation. The panels on my stand are 1 inch thick plywood designed the withstand years of abuse. This caused the temperature in my tank to climb and my pH to drop. The panels are held on with industrial...