Korallen-zucht/super blue t5 bulb

[jhoff]

Anyone useing this bulb just coriouse to see how it compares to the ati blue+
sposta have the 20k look any info......http://www.premiumaquatics.com/Merc...t_Code=KZ-39W-SB&Category_Code=Korallen-zucht

 

[rbnice1]

Love there fiji purple bulbs but have never tried these.