Tops or No Tops?
Well I have asked a few local friends here who also are reefers, and just cannot come to a conclusion. I want to know if it is better to leave your glass tops on when you are running metal halides and power compacs. I currently leave the glass tops on during the evening to reduce some evapouration. During the day when my lights are on I remove the tops, but she evapourates more quickly. I do this with all my reef tanks....
So is it better for the corals with the tops on or off when running the lights?
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