I think I have read every thread on the internet about bulbs in the last three days... lol.
It seems a very common setup with six bulb is four blue, one coral, one purple. That provides all the spectrum you really need, so from what I understand the last two bulbs of an eight bulb you can kind of change to suit your eye, or maybe add a bit more par if you want. I knew I wanted an actinic in there so that left one which I have been changing between blue/coral/purple to get the look I like. I think I like the purple the most but may keep tinkering with it, the coral is just a bit too bright and cold looking and the blue is a bit windexy looking.
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