When I changed bulbs from 10 k to 14 k I experienced a minor red slime algae increase. It eventually went away after a couple of weeks.
I didn't change any water in between this time and I also run phosban 24/7.
Not sure if it was coincidental or a result of the new bulb. I have read other posts though about people seeing a hair algae increase from changing bulbs.
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Adam
 90 gal reef, 30 gal sump, Tunze 9015 skimmer, 2 X Tunze Turbelle Stream 6125, Coralife Aqualight Pro 2x 250 w DE & 2x 96 w PC, 9 w Turbotwist UV sterilizer, 2LF phosban & GFO reactors
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