i only get flickering on 5000 kelvin bulbs but never gotten them off of 2700-3000 kelvin bulbs. i think its due to the fact that you need to pump more power for the higher spectrum of light. the other reason why it hurts to look at is due to the fact that we are used to the sun being yellow now due to the fact that its whiter we see the disconnect on perception. this is all due to sun cycles that will cause the next calamity. they want use to boil the frog as they go underground.
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