Metal Halide Bulb and Ballast
Cross Reference Guide

The list below provides a quick reference of most aquarium metal halide bulbs and their corresponding ballast ANSI codes.

* Base type denotes whether the bulb is single-ended (SE) or double-ended (DE).

Acrolux

Watts Kelvin Rating Base Type ANSI Code Ballast Type
250 watt 10,000K SE M58 Probe
250 watt 20,000K SE M58 Probe
400 watt 10,000K SE M59 Probe
400 watt 20,000K SE M59 Probe

Aqualine AB

Watts Kelvin Rating Base Type ANSI Code Ballast Type
70 watt 5000K DE M85 HQI
70 watt 10,000K DE M85 HQI
70 watt 20,000K DE M85 HQI
150 watt 5000K DE M81 HQI
150 watt 10,000K DE M81 HQI
150 watt 20,000K DE M81 HQI
175 watt 10,000K SE M137 Pulse
175 watt 20,000K SE M137 Pulse
250 watt 5000K DE M80 HQI
250 watt 10,000K SE M138 Pulse
250 watt 10,000K DE M80 HQI
250 watt 20,000K DE M80 HQI
400 watt 10,000K SE M135 Pulse
1000 watt 10,000K SE M141 Pulse

Coralife

Watts Kelvin Rating Base Type ANSI Code Ballast Type
100 watt 5500K SE M90/M140 Pulse/HQI
175 watt 5500K SE M57 Probe
175 watt 6500K SE M57 Probe
175 watt 10,000K SE M57 Probe
175 watt 6500K SE M57 Probe
175 watt 10,000K SE M57 Probe
175 watt 20,000K SE M57 Probe
250 watt 5500K SE M58 Probe
250 watt 6500K SE M58 Probe
250 watt 10,000K SE M58 Probe
250 watt 20,000K SE M58 Probe
400 watt 5500K SE M59 Probe
400 watt 6500K SE M59 Probe
400 watt 10,000K SE M59 Probe
400 watt 20,000K SE M59 Probe
1000 watt 20,000K SE M47 Probe

CoralVue

Watts Kelvin Rating Base Type ANSI Code Ballast Type
150 watt 10,000K DE M81 HQI
150 watt 20,000K DE M81 HQI
175 watt 6500K SE M57 Probe
175 watt 10,000K SE M57 Probe
175 watt 12,000K SE M57 Probe
175 watt 15,000K SE M57 Probe
250 watt 6500K SE M58 Probe
250 watt 10,000K SE M58 Probe
250 watt 10,000K DE M80 HQI
250 watt 12,000K SE M58 Probe
250 watt 15,000K SE M58 Probe
250 watt 20,000K SE M58 Probe
250 watt 20,000K DE M80 HQI
400 watt 10,000K SE M59 Probe
400 watt 20,000K SE M59 Probe

Hamilton

Watts Kelvin Rating Base Type ANSI Code Ballast Type
175 watt 5500K SE M57 Probe
175 watt 6500K SE M57 Probe
175 watt 10,000K SE M57 Probe
175 watt 14,000K SE M57 Probe
175 watt 20,000K SE M57 Probe
250 watt 5500K SE M58 Probe
250 watt 6500K SE M57 Probe
250 watt 10,000K SE M58 Probe
250 watt 10,000K DE M80 HQI
250 watt 14,000K SE M58 Probe
250 watt 14,000K DE M80 HQI
250 watt 20,000K SE M58 Probe
400 watt 5500K SE M59 Probe
400 watt 6500K SE M59 Probe
400 watt 10,000K SE M59 Probe
400 watt 14,000K SE M59 Probe
400 watt 20,000K SE M59 Probe
1000 watt 10,000K SE M47 Probe
1000 watt 14,000K SE M47 Probe

Iwasaki - Eye

Watts Kelvin Rating Base Type ANSI Code Ballast Type
150 watt 20,000K E27 SE M102 Pulse
150 watt 20,000K R7S DE M102 Pulse
150 watt 50,000K E27 SE M102 Pulse
150 watt 50,000K R7S DE M102 Pulse
250 watt 6500K SE H37/M58 MV/MH
400 watt 6500K SE H33/M59 MV/MH

Radium

Watts Kelvin Rating Base Type ANSI Code Ballast Type
150 watt 20,000K DE M81 HQI
250 watt 20,000K SE M138/M80 Pulse/HQI
400 watt 20,000K SE M135 Pulse

Ushio

Watts Kelvin Rating Base Type ANSI Code Ballast Type
75 watt 10,000K DE M85 HQI
150 watt 10,000K DE M81 HQI
175 watt 10,000K SE M137 Pulse
250 watt 10,000K DE M80 HQI
250 watt 10,000K SE M58 Probe
400 watt 10,000K SE M135 Pulse
400 watt 20,000K SE M59 Probe
1000 watt 10,000K SE M83 Pulse

Venture

Watts Kelvin Rating Base Type ANSI Code Ballast Type
175 watt 5500K SE M57 Probe
175 watt 10,000K SE M57 Probe
250 watt 5500K SE M58 Probe
250 watt 10,000K SE M58 Probe
400 watt 5500K SE M59 Probe
400 watt 10,000K SE M59 Probe

XM Lighting

Watts Kelvin Rating Base Type ANSI Code Ballast Type
150 watt 10,000K DE M81 HQI
150 watt 20,000K DE M81 HQI
175 watt 10,000K SE M57 Probe
175 watt 20,000K SE M57 Probe
250 watt 10,000K SE M58 Probe
250 watt 10,000K DE M80 HQI
250 watt 20,000K SE M58 Probe
250 watt 20,000K DE M80 HQI
400 watt 10,000K SE M59 Probe
400 watt 20,000K SE M59 Probe

Pulse Metal Halide ANSI Codes

Wattage ANSI Code
175 watt M137
250 watt M138
400 watt M135
1000 watt M141

Probe Metal Halide ANSI Codes

Wattage ANSI Code
175 watt M57
250 watt M58
400 watt M59
1000 watt M47

Iwasaki Metal Halide ANSI

Wattage ANSI Code
250 watt H37
400 watt H33

HQI Metal Halide ANSI Codes

Wattage ANSI Code
70 watt M85
150 watt M81
250 watt M80