Halide Lighting?

10-11-2005, 02:12 PM
Post #1: dakar

Jerry I'll fight you on the 10K's hee hee I'll put my 6500K saki's up against any bulb you can find for overall health and growth of any coral.

CRI - Color rendering index, scale that goes from 0-100 with 100 being as close to natural sunlight as possible.

PAR - Photosynthetically Active Radiation, this is what our photosyntetic animals live on. The higher the PAR the more 'food' for them. Also the higher PAR can be looked at as it *generally* means the deeper into the water light is able to penetrate (with more of the color spectrum).
10-11-2005, 03:32 PM
Post #2: jerryc

I agree just left it out because so very few use it anymore.

But for growth its the top end
10-12-2005, 06:33 AM
Post #3: EQCM2B

Thanks for all of the help folks. Now I think I have a good idea of what I'm looking for.

Thanks
10-12-2005, 06:39 AM
Post #4: EQCM2B

The 400 watt metal halide at Home Depot was 197.00. Sorry i didn't answer sooner I didn't see the question. They also have a 175 watt @ 160.00 and a 70 watt lamp @ 117.00.