Been a long time sence we had a lighting fact thread

[StirCrazy]

Originally Posted by Canadian Man

So I've got a question about par values.
So the 10000 bulbs put out 262.14 PAR at 12"
The radium puts out 343.09

Where does an Iwasaki sit in all this?

I guess I ask this cause when It comes time to change my bulbs, If I go to 10000 bulbs I would like to know the diffrence it's going to make on my tank compared to my Iwasaki setup.

Thanks

that is a 175 watt 10K and a 400 watt radium, the 250 watt iwasaki will probably be around the same as the radium, but not having tested on I am not sure.

Steve