Quote:
Originally Posted by Milad
Which allows more light to go through? Which is prefered and why?
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If your intent is to cover your entire top then no lid is preferred. A cover will trap heat and harmful gasses and not allow it to escape. A lid is also a pain to keep clean as you will have to wipe it frequently (lots of salt creep) otherwise the buildup will dramatically reduce light.
So why are you wanting to put a lid on it? If you want to keep critters from jumping out there are other approaches, like building a mesh net cover.
It is funny though, some people like to put lids on their tanks to reduce the amount of evaporation, which works great for that, but that evaporation is what's helping to keep your tank cool.
Anyway, that's my take on it, others may disagree
