Which is best for 4x4?

Growers choice roi-680s or the new Optic 500s?

I prefer option 3
Medicgrow #Ez8

OSBuds said:

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Long winded but informative. Cost drives almost all of my decisions. 2 of my #Ez8 for the cost of one Photontek... if I didn't already own one, thank you @MedicGrow, that vid would have convinced me to get one.