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.
Hortilux CLU600 / HOR / HTL / EN (6/Cs)
Ultra Sun MH 1000/U/BT-37 4200K Lamp (12/Cs)
Ultra Sun MH 1000 7,500K (12/Cs)
Ultra Sun 1000 HPS HO (12/Cs)
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