Just installed 2 hybrid 200 watt led evolution lights. 20k's i have had them up and running for about 1 week. I have noticed within the past 3 days a bloom of brown algae growth. All water parameters are perfect. However i recently raised the ph levels from 8.10-8.25 to 8.25-8.40 could that cause the bloom? My lights come on @ 3pm - 8:30pm at which the moon loghts come on untill 10:30pm and then go off until the next day. Is it too long? How do i get rid of it? Alk 8.3 Ca-450-500ppm ...
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