Quote:
Originally Posted by Atomikk
There shouldn't be any options here. All reef aquariums need to be open top. You need to enable your tank to 'breathe'. By not allowing your tank to breathe, you enable the buildup of carbon dioxide in the water, making it more acid. This lowers your pH.. and hell breaks loose! 
Now I know some people have sumps that are open top.. but that is not enough. The surface area of this is very small and will not do much in balancing your pH and oxygen levels. |
Ok, then why do all the all in one tanks have covers and I haven't heard anything bad about these (re: being covered). I am new to reefing and am thinking about covering mine, so I am just wondering.