metal halide bulbs

[pmptll22]

i recently bought a coralife 2x250watt mh mogul base & 2x96watt pc it came with coralife 10k x 250 bulbs. I have found them to be very yellow in color, i also have found hair algae to be getting worse i was told that the quality of those mh bulbs was poor & to go with xm or radium 14 or 20k bulbs if anyone can help it would be great also it's my first mh setup & could the poor lighting be contributing to the algae besides phosphates. I am also running rowaphos & poly filter pads. thank's!!!

 

[fbm]

If the bulbs are old they will shift in color and definately cause algea to grow.

 

[pmptll22]

the bulbs were new any other ideas. Thanks

 

[oceana]

just adding new lighting alone can cause the algae . good or bad lighting can do this. it is not uncommon to get an algae bloom shortly after adding new lighting.

 

[pmptll22]

so do u think i should wait it out because i already ordered 20k 250watt xm's i liked the bluer tint?