This bulb:
http://www.aquarium-supply.biz/65W_10K_Lamp_p/res54065.htm
advertises itself as:
Coralife 65W 10K Straight Pin Compact Fluorescent Lamp
This bulb:
http://www.aquarium-supply.biz/65W_6700K_Lamp_p/res54095.htm
advertises itself as:
Coralife 65W 6700K Straight Pin Compact Fluorescent Lamp
Now, 10k 'SHOULD' mean 10 * 1000 or 10,000
Now, 6700K 'SHOULD' mean 6700 * 1000 or 6,700,000
I see this a lot...
http://www.aquarium-supply.biz/65W_10K_Lamp_p/res54065.htm
advertises itself as:
Coralife 65W 10K Straight Pin Compact Fluorescent Lamp
This bulb:
http://www.aquarium-supply.biz/65W_6700K_Lamp_p/res54095.htm
advertises itself as:
Coralife 65W 6700K Straight Pin Compact Fluorescent Lamp
Now, 10k 'SHOULD' mean 10 * 1000 or 10,000
Now, 6700K 'SHOULD' mean 6700 * 1000 or 6,700,000
I see this a lot...