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T5 Lamps (bulbs): ATI T5 Lamps
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ATI 39W 36" Aquablue Special T5 HO Lamp ATI 39W 36" Aquablue Special T5 HO Lamp

Product Code: RATI21002
The ATI 39W 36" Aquablue Special T5 HO Lamp combines the properties of a full-spectrum bulb with an elevated blue color peak producing a bulb with an approximate color temperature of 15,000K. 34 inches from end of pin to end of pin. For 36" T5 high output lighting fixtures. Made in Germany.

Our Price: $21.95
In Stock
ATI 54W 48" Aquablue Special T5 HO Lamp ATI 54W 48" Aquablue Special T5 HO Lamp

Product Code: RATI21003
The ATI 54W 48" Aquablue Special T5 HO Lamp combines the properties of a full-spectrum bulb with an elevated blue color peak producing a bulb with an approximate color temperature of 15,000K. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $23.95
In Stock
ATI 54W 48" Aquablue Special T5 HO Lamp Two Pack Package ATI 54W 48" Aquablue Special T5 HO Lamp Two Pack Package

Product Code: RATI21003-2

2-Pack

The ATI 54W 48" Aquablue Special T5 HO Lamp combines the properties of a full-spectrum bulb with an elevated blue color peak producing a bulb with an approximate color temperature of 15,000K. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $47.90
In Stock
ATI 80W 60" Aquablue Special T5 HO Lamp ATI 80W 60" Aquablue Special T5 HO Lamp

Product Code: RATI21004
The ATI 80W 60" Aquablue Special T5 HO Lamp combines the properties of a full-spectrum bulb with an elevated blue color peak producing a bulb with an approximate color temperature of 15,000K. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $26.95
In Stock
ATI 80W 60" Aquablue Special T5 HO Lamp Two Pack Package ATI 80W 60" Aquablue Special T5 HO Lamp Two Pack Package

Product Code: RATI21004-2

2-Pack

The ATI 80W 60" Aquablue Special T5 HO Lamp combines the properties of a full-spectrum bulb with an elevated blue color peak producing a bulb with an approximate color temperature of 15,000K. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $53.90
In Stock
ATI 24W 24" Blue Plus T5 HO Lamp ATI 24W 24" Blue Plus T5 HO Lamp

Product Code: RATI21005
Widely regarded as the most popular reef aquarium T5 bulb of all time, the ATI 24W 24" Blue Plus T5 HO Lamp combines the properties of a blue bulb (approximately 460nm) with an actinic bulb (approximately 420nm). This produces an intense blue light with high PAR numbers and a light spectrum that encourages both coloration in SPS corals and fluorescence in capable corals. It also helps balance washed out/yellow-hued tanks. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 22 inches from end of pin to end of pin. For 24" T5 high output lighting fixtures. Made in Germany.

Our Price: $19.95
In Stock
ATI 39W 36" Blue Plus T5 HO Lamp ATI 39W 36" Blue Plus T5 HO Lamp

Product Code: RATI21006
Widely regarded as the most popular reef aquarium T5 bulb of all time, the ATI 39W 36" Blue Plus T5 HO Lamp combines the properties of a blue bulb (approximately 460nm) with an actinic bulb (approximately 420nm). This produces an intense blue light with high PAR numbers and a light spectrum that encourages both coloration in SPS corals and fluorescence in capable corals. It also helps balance washed out/yellow-hued tanks. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 34 inches from end of pin to end of pin. For 36" T5 high output lighting fixtures. Made in Germany.

Our Price: $21.95
In Stock
ATI 54W 48" Blue Plus T5 HO Lamp ATI 54W 48" Blue Plus T5 HO Lamp

Product Code: RATI21007
Widely regarded as the most popular reef aquarium T5 bulb of all time, the ATI 54W 48" Blue Plus T5 HO Lamp combines the properties of a blue bulb (approximately 460nm) with an actinic bulb (approximately 420nm). This produces an intense blue light with high PAR numbers and a light spectrum that encourages both coloration in SPS corals and fluorescence in capable corals. It also helps balance washed out/yellow-hued tanks. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $23.95
In Stock
ATI 54W 48" Blue Plus T5 HO Lamp Two Pack Package ATI 54W 48" Blue Plus T5 HO Lamp Two Pack Package

Product Code: RATI21007-2

2-Pack

Widely regarded as the most popular reef aquarium T5 bulb of all time, the ATI 54W 48" Blue Plus T5 HO Lamp combines the properties of a blue bulb (approximately 460nm) with an actinic bulb (approximately 420nm). This produces an intense blue light with high PAR numbers and a light spectrum that encourages both coloration in SPS corals and fluorescence in capable corals. It also helps balance washed out/yellow-hued tanks. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $47.90
In Stock
ATI 80W 60" Blue Plus T5 HO Lamp ATI 80W 60" Blue Plus T5 HO Lamp

Product Code: RATI21008
Widely regarded as the most popular reef aquarium T5 bulb of all time, the ATI 80W 60" Blue Plus T5 HO Lamp combines the properties of a blue bulb (approximately 460nm) with an actinic bulb (approximately 420nm). This produces an intense blue light with high PAR numbers and a light spectrum that encourages both coloration in SPS corals and fluorescence in capable corals. It also helps balance washed out/yellow-hued tanks. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $24.95
In Stock
ATI 80W 60" Blue Plus T5 HO Lamp Two Pack Package ATI 80W 60" Blue Plus T5 HO Lamp Two Pack Package

Product Code: RATI21008-2

2-Pack

Widely regarded as the most popular reef aquarium T5 bulb of all time, the ATI 80W 60" Blue Plus T5 HO Lamp combines the properties of a blue bulb (approximately 460nm) with an actinic bulb (approximately 420nm). This produces an intense blue light with high PAR numbers and a light spectrum that encourages both coloration in SPS corals and fluorescence in capable corals. It also helps balance washed out/yellow-hued tanks. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $49.90
In Stock
ATI 24W 24" True Actinic T5 HO Lamp ATI 24W 24" True Actinic T5 HO Lamp

Product Code: RATI21009
The ATI 24W 24" True Actinic T5 HO Lamp produces a violet-blue light that is designed to maximize fluorescence in capable corals and make livestock colors pop. Color spectrum peaks at 421nm. Usually just one per fixture is used to add additional fluorescence to the system. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 22 inches from end of pin to end of pin. For 24" T5 high output lighting fixtures. Made in Germany.

Our Price: $20.95
In Stock
ATI 39W 36" True Actinic T5 HO Lamp ATI 39W 36" True Actinic T5 HO Lamp

Product Code: RATI21010
The ATI 39W 36" True Actinic T5 HO Lamp produces a violet-blue light that is designed to maximize fluorescence in capable corals and make livestock colors pop. Color spectrum peaks at 421nm. Usually just one per fixture is used to add additional fluorescence to the system. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 34 inches from end of pin to end of pin. For 36" T5 high output lighting fixtures. Made in Germany.

Our Price: $22.95
In Stock
ATI 54W 48" True Actinic T5 HO Lamp ATI 54W 48" True Actinic T5 HO Lamp

Product Code: RATI21011
The ATI 54W 48" True Actinic T5 HO Lamp produces a violet-blue light that is designed to maximize fluorescence in capable corals and make livestock colors pop. Color spectrum peaks at 421nm. Usually just one per fixture is used to add additional fluorescence to the system. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $24.95
In Stock
ATI 54W 48" True Actinic T5 HO Lamp Two Pack Package ATI 54W 48" True Actinic T5 HO Lamp Two Pack Package

Product Code: RATI21011-2

2-Pack

The ATI 54W 48" True Actinic T5 HO Lamp produces a violet-blue light that is designed to maximize fluorescence in capable corals and make livestock colors pop. Color spectrum peaks at 421nm. Usually just one per fixture is used to add additional fluorescence to the system. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $49.90
In Stock
ATI 80W 60" True Actinic T5 HO Lamp ATI 80W 60" True Actinic T5 HO Lamp

Product Code: RATI21012
The ATI 80W 60" True Actinic T5 HO Lamp produces a violet-blue light that is designed to maximize fluorescence in capable corals and make livestock colors pop. Color spectrum peaks at 421nm. Usually just one per fixture is used to add additional fluorescence to the system. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $26.95
In Stock
ATI 80W 60" True Actinic T5 HO Lamp Two Pack Package ATI 80W 60" True Actinic T5 HO Lamp Two Pack Package

Product Code: RATI21012-2

2-Pack

The ATI 80W 60" True Actinic T5 HO Lamp produces a violet-blue light that is designed to maximize fluorescence in capable corals and make livestock colors pop. Color spectrum peaks at 421nm. Usually just one per fixture is used to add additional fluorescence to the system. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $53.90
In Stock
ATI 39W 36" Purple Plus T5 HO Lamp ATI 39W 36" Purple Plus T5 HO Lamp

Product Code: RATI21014
The ATI 39W 36" Purple Plus T5 HO Lamp combines the properties of a full spectrum bulb with strong red and blue components, producing a bulb with excellent color rendition that works very well to bring out pinks, purples and reds in an aquarium. Recommended in combination with at least two or more other T5 bulbs. 34 inches from end of pin to end of pin. For 36" T5 high output lighting fixtures. Made in Germany.

Our Price: $21.95
In Stock
ATI 54W 48" Purple Plus T5 HO Lamp ATI 54W 48" Purple Plus T5 HO Lamp

Product Code: RATI21015
The ATI 54W 48" Purple Plus T5 HO Lamp combines the properties of a full spectrum bulb with strong red and blue components, producing a bulb with excellent color rendition that works very well to bring out pinks, purples and reds in an aquarium. Recommended in combination with at least two or more other T5 bulbs. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $23.95
In Stock
ATI 54W 48" Purple Plus T5 HO Lamp Two Pack Package ATI 54W 48" Purple Plus T5 HO Lamp Two Pack Package

Product Code: RATI21015-2
The ATI 54W 48" Purple Plus T5 HO Lamp combines the properties of a full spectrum bulb with strong red and blue components, producing a bulb with excellent color rendition that works very well to bring out pinks, purples and reds in an aquarium. Recommended in combination with at least two or more other T5 bulbs. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $47.90
In Stock
ATI 80W 60" Purple Plus T5 HO Lamp ATI 80W 60" Purple Plus T5 HO Lamp

Product Code: RATI21016
The ATI 80W 60" Purple Plus T5 HO Lamp combines the properties of a full spectrum bulb with strong red and blue components, producing a bulb with excellent color rendition that works very well to bring out pinks, purples and reds in an aquarium. Recommended in combination with at least two or more other T5 bulbs. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $24.95
In Stock
ATI 80W 60" Purple Plus T5 HO Lamp Two Pack Package ATI 80W 60" Purple Plus T5 HO Lamp Two Pack Package

Product Code: RATI21016-2

2-Pack

The ATI 80W 60" Purple Plus T5 HO Lamp combines the properties of a full spectrum bulb with strong red and blue components, producing a bulb with excellent color rendition that works very well to bring out pinks, purples and reds in an aquarium. Recommended in combination with at least two or more other T5 bulbs. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $49.90
In Stock
ATI 24W 24" Coral Plus T5 HO Lamp ATI 24W 24" Coral Plus T5 HO Lamp

Product Code: RATI21017
The ATI 24W 24" Coral Plus T5 HO Lamp combines the properties of a Blue Plus (~50%), Aquablue Special (~40%) and Purple Plus (~10%) producing a bulb with a cool, crisp white color with hints of red and blue. The higher blue component compared to an Aquablue Special produces better fluorescence in capable corals and the red component is excellent for color rendition. Approximate color temperature of 15000K+. 22 inches from end of pin to end of pin. For 24" T5 high output lighting fixtures. Made in Germany.

Our Price: $20.95
In Stock
ATI 39W 36" Coral Plus T5 HO Lamp ATI 39W 36" Coral Plus T5 HO Lamp

Product Code: RATI21018
The ATI 39W 36" Coral Plus T5 HO Lamp combines the properties of a Blue Plus (~50%), Aquablue Special (~40%) and Purple Plus (~10%) producing a bulb with a cool, crisp white color with hints of red and blue. The higher blue component compared to an Aquablue Special produces better fluorescence in capable corals and the red component is excellent for color rendition. Approximate color temperature of 15000K+. 34 inches from end of pin to end of pin. For 36" T5 high output lighting fixtures. Made in Germany.

Our Price: $22.95
In Stock
ATI 54W 48" Coral Plus T5 HO Lamp ATI 54W 48" Coral Plus T5 HO Lamp

Product Code: RATI21019
The ATI 54W 48" Coral Plus T5 HO Lamp combines the properties of a Blue Plus (~50%), Aquablue Special (~40%) and Purple Plus (~10%) producing a bulb with a cool, crisp white color with hints of red and blue. The higher blue component compared to an Aquablue Special produces better fluorescence in capable corals and the red component is excellent for color rendition. Approximate color temperature of 15000K+. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $24.95
In Stock
ATI 54W 48" Coral Plus T5 HO Lamp Two Pack Package ATI 54W 48" Coral Plus T5 HO Lamp Two Pack Package

Product Code: RATI21019-2
The ATI 54W 48" Coral Plus T5 HO Lamp combines the properties of a Blue Plus (~50%), Aquablue Special (~40%) and Purple Plus (~10%) producing a bulb with a cool, crisp white color with hints of red and blue. The higher blue component compared to an Aquablue Special produces better fluorescence in capable corals and the red component is excellent for color rendition. Approximate color temperature of 15000K+. 45.75 inches from end of pin to end of pin. For 48" T5 high output lighting fixtures. Made in Germany.

Our Price: $49.90
(Out of Stock)
ATI 80W 60" Coral Plus T5 HO Lamp ATI 80W 60" Coral Plus T5 HO Lamp

Product Code: RATI21020
The ATI 80W 60" Coral Plus T5 HO Lamp combines the properties of a Blue Plus (~50%), Aquablue Special (~40%) and Purple Plus (~10%) producing a bulb with a cool, crisp white color with hints of red and blue. The higher blue component compared to an Aquablue Special produces better fluorescence in capable corals and the red component is excellent for color rendition. Approximate color temperature of 15000K+. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $26.95
In Stock
ATI 80W 60" Coral Plus T5 HO Lamp Two Pack Package ATI 80W 60" Coral Plus T5 HO Lamp Two Pack Package

Product Code: RATI21020-2
The ATI 80W 60" Coral Plus T5 HO Lamp combines the properties of a Blue Plus (~50%), Aquablue Special (~40%) and Purple Plus (~10%) producing a bulb with a cool, crisp white color with hints of red and blue. The higher blue component compared to an Aquablue Special produces better fluorescence in capable corals and the red component is excellent for color rendition. Approximate color temperature of 15000K+. 57.5 inches from end of pin to end of pin. For 60" T5 high output lighting fixtures. Made in Germany.

Our Price: $53.90
In Stock