Use only these high output (HO) lamps in fluorescent T5 fixtures. Lamps that are not marked HO will have significantly less output. Choose from the 6,500° K blue spectrum or the 3,000° K red spectrum.
Ultra Sun MH 400/U/T-15 4200K Lamp (24/Cs)
Ultra Sun 1000 HPS HO (12/Cs)
Spectralux T5 VHO 95 Watt 4 ft 6500K (25/Cs)
Ultra Sun HPS 600 (24/Cs)
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