nano reef1

23 gallon

That a Zetlight?

yes it's the za 1201 works amazing! I also have the remote module for it. In preset mode it turns on with dawn mode, them sunrise mode, day time, and shuts down with sunset, and night mode, then off. its fully programmable and has a cool lightning feature. Would highly recommend!

I have the same light over my 8 gallon unice worm tank. I find it to seriously lack output... I would be surprised if it is able to sustain the clam in your tank at it's current depth.

I don't mean to be a downer, but I would consider looking into a stronger lighting system.

That's cool. Thanks for the advice. First clam I've had I've left it there to attach onto the rock I have under it. will move it up :-)