do you have individual reflectors for the bulbs??
as long as the bulbs aren't getting splashed and you can still get your hand in the tank without moving the fixture, i would say you can move it down further.
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120S RR tank with 60G basement sump / fuge
Return Pump: Little Giant 4-MDQX SC
Water Movement: Seio 1500, (2) Hydor Koralia 4's
Lighting: 400W SE MH with 14K Aqua Connect
Skimmer: Euro-Reef RS250 with gate valve
Other: RODI, RDSB, PO4 / AC reactor
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