Quick t5 question

[DarrinF]

Hi all,

I have a new 8 bulb sunpower coming for my 72 reefer. I have softies now.

I know this light will be powerful. I was going to start it off 10" high and 4hrs a day for first week

Question. If too much would you recommend changing to 2 atanics, lowering the time on or raising it up more.

Thanks

Mainly c+ and b+ 1 pur +

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[jayball]

Raising it more will make light spill, less light duration sucks because you want to look at the tank, Actinic bulbs make GFP's glow like crazy...

I know what one I would pick if given those three options