Quote:
Originally Posted by dmsprague
I have 3 Mars aqua boxes over 150 gallon 3 of another brand I can't remember over a 180 gallon. All the rbt nems seem to be thriving. Been running them for a year or so. I run the blue at 100 % for 8 hours and white around 50 %for 6 hours. I would think they were doing perfect if I did not have some in a 28 gallon under an AI prime HD. Under the AI they look like true bubble tips. It may be the lighting or it may be the flow. I have a Clam in the 28 gallon so I ramp the light up to 90 % at 7000 k for total of about 10 hours. You can see the difference between the nems in the photos.  
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Are you thinking that having the lights at 7000k rather than the typical 14-20k is making them bubble up? I have NEVER had a BTA that had bubble tips.