Tops or No Tops?

[no_bs]

I go topless on the main, tops on the sump and frag tanks. After putting tops on thoes tanks, evaporation was almost cut in half. Wish there was one more option.

[ponokareefer]

I have a top, but it fits overtop of my lights, and is a fabric with a lot of really small holes that I have stapled to my "open" canopy. It keeps fish in, but still provides air flow. Aquarium Illusions makes the "open" canopy, you just have to find the fabric to staple to it.