You need to match the ballast to the lamp a compact 400 MH ballast can not accept any lamp but a 400 compact MH lamp. If you were to get a regular 400w MH fixture and ballast you could use a 400w MH lamp meant for a reef.
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120 Gal Reef Tank Born 12/06 160+ Lbs of Live Rock 80 Lbs Live Sand
25 Gal Sump with fuge 15 lbs of Live Rock
(2) 250w 20K MH and (4) 65w CF Atinics (6) Moonlights
Aqua C EV Skimmer
(4) Hydor Korillia # 3s
(1) yellow chromis
(1) green coris wrasse
(1) True Percula |