Newbie Algy Question

[pendergast]

I do have a glass top for it. Its a 46gal, the tank has been set up for alittle over 2 months. I have a hawkfish and a yellowtail blue demsel, 11 reef hermits, 2 snails and i found a regular crab in there i guess he was in the live rock when i bought it. cause i never bought him.

[4lti7ude]

Originally Posted by pendergast

I do have a glass top for it. Its a 46gal, the tank has been set up for alittle over 2 months. I have a hawkfish and a yellowtail blue demsel, 11 reef hermits, 2 snails and i found a regular crab in there i guess he was in the live rock when i bought it. cause i never bought him.

You for sure should switch the top.
The glasstops really limit the gas exchange at the surface of the water.

I forgot to also ask what kind of lights and how long are they running?
When theres not to much current at the surface of the water I find it can get that film of oil across it.