You won't need anything besides the Euro....as for water depth, mine is in 8" of water and works well. It's on a homemade stand made of eggcrate, sitting in a 29g sump (18" high).
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90g reef/29g sump, DIY cabinet, 2x250w MH, 2x54w T5 actinics, ER RS135 skimmer, VorTech pump, 18w UV sterilizer
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