Quote:
Originally Posted by thatguy2012
I have seen some tanks without tops on them, and I was wondering if there are any advantages or disadvantages to having them off. I just took the covers off of mine and the light seems a little better in the tank, have not decided if I will leave them off or not.
thank you
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Yep, with cover, less loss of water but evaporating water (droplets on the glass) will reduce the light penetration. Without the cover, more water is lost depending on the humidity in the air. My plants are doing better without the cover though.