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 |