lux reading help

[Bob I]

Originally Posted by martym

I bought a lux meter today (my bubble and hammer coral aren't doing very well) I can't seem to find any info on what the readings should be. I'm a little dissapointed that the reader didn't come with some guidelines. I measure around 5800 in the middle of the tank and 3800 at the bottom. right under the light (2x175w MH) it read 22200. Can anyone give me some suggestions?
Thanks

As far as I know 5800 is Ok. John Tullock's book "Natural Reef aquaria" (I believe it is called.) Gives a good explanation. I wiil have look when I have a minute, and give another answer later.