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T5 Lamps (bulbs): Giesemann T5 Lamps (NEW STYLE)
Tired of replacing your T5 HO bulbs every year? Switch to Arcadia LED T5 HO Replacement Lamps.

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Giesemann  Tropic 24W 24 inch T5 HO Lamp Giesemann Tropic 24W 24" T5 HO Lamp (GM-T5-TRPC)

Product Code: RGS00550
The Giesemann Tropic is a full spectrum 6500k HO T5 lamp with enhanced photosynthetic peaks which recreates a natural sunlight effect. 22 inches long for 24" fixtures/retrofits. 24W.

Our Price: $20.95
In Stock
Giesemann  Actinic Blue 24W 24 inch T5 HO Lamp Giesemann Actinic Blue 24W 24" T5 HO Lamp (GM-T5-AB)

Product Code: RGS00551
The Giesemann Actinic Blue emits almost exclusively blue light of wavelengths from 400 - 510 nm, with a maximum at 420 nm. These wavelengths enhance the growth of many coral species in the aquarium, thus ensuring optimum lighting conditions.22 inches long for 24" fixtures/retrofits. 24W.

Our Price: $18.95
In Stock
Giesemann  AquaBlue Coral 24W 24 inch T5 HO Lamp Giesemann AquaBlue Coral 24W 24" T5 HO Lamp (GM-T5-AQB)

Product Code: RGS00552
The AquaBlue Coral is the ultimate blue/white light spectrum ( Special 70:30 combination of 6000K and 22000K). 22 inches long for 24" fixtures/retrofits. 24W.

Our Price: $18.95
In Stock
Giesemann  Super Flora 24W 24 inch T5 HO Lamp Giesemann Super Flora 24W 24" T5 HO Lamp (GM-T5-SF)

Product Code: RGS00553
The Super Flora is a high-performance T5 tube developed for optimum plant growth and to accentuate the blue & red colors of your fish. 22 inches long for 24" fixtures/retrofits. 24W.

Our Price: $19.95
In Stock
Giesemann  Super Actinic 24W 24 inch T5 HO Lamp Giesemann Super Actinic 24W 24" T5 HO Lamp (GM-T5-SAB)

Product Code: RGS00554
The Super Actinic emits a very strong, pure actinic spectrum, which generates a light white/violet effect in your aquarium that maximizes the fluorescence from your colorful corals. Ideal for supplementation of existing metal halide lighting. 22 inches long for 24" fixtures/retrofits. 24W.

Our Price: $20.95
In Stock
Giesemann  Super Purple 24W 24 inch T5 HO Lamp Giesemann Super Purple 24W 24" T5 HO Lamp (GM-T5-SP)

Product Code: RGS02727
The Giesemann Super Purple is the ultimate white/violet spectrum T5 lamp to accentuate coral and fish colors as well as providing proper light intensity for coral growth. 22 inches long for 24" fixtures/retrofits. 24W.

Our Price: $19.95
In Stock
Giesemann  AquaBlue Azure 24W 24 inch T5 HO Lamp Giesemann AquaBlue Azure 24W 24" T5 HO Lamp (GM-T5-AZR)

Product Code: RGS02847
The Giesemann AquaBlue Azure is a turquoise blue a 16-17000K lamp developed for reef aquariums providing higher PAR to enhance the colors and growth of corals whilst producing a rich turquoise blue for optimum aesthetics. 22 inches long for 24" fixtures/retrofits. 24W.

Our Price: $18.95
In Stock
Giesemann  Tropic 39W 36 inch T5 HO Lamp Giesemann Tropic 39W 36" T5 HO Lamp (GM-T5-TRPC)

Product Code: RGS00555
The Giesemann Tropic is a full spectrum 6500k HO T5 lamp with enhanced photosynthetic peaks which recreates a natural sunlight effect. 34 inches long for 36" fixtures/retrofits. 39W.

Our Price: $20.95
In Stock
Giesemann  Actinic Blue 39W 36 inch T5 HO Lamp Giesemann Actinic Blue 39W 36" T5 HO Lamp (GM-T5-AB)

Product Code: RGS00556
The Giesemann Actinic Blue emits almost exclusively blue light of wavelengths from 400 - 510 nm, with a maximum at 420 nm. These wavelengths enhance the growth of many coral species in the aquarium, thus ensuring optimum lighting conditions.34 inches long for 36" fixtures/retrofits. 39W.

Our Price: $20.95
In Stock
Giesemann  AquaBlue Coral 39W 36 inch T5 HO Lamp Giesemann AquaBlue Coral 39W 36" T5 HO Lamp (GM-T5-AQB)

Product Code: RGS00557
The AquaBlue Coral is the ultimate blue/white light spectrum ( Special 70:30 combination of 6000K and 22000K). 34 inches long for 36" fixtures/retrofits. 39W.

Our Price: $20.95
In Stock
Giesemann  Super Flora 39W 36 inch T5 HO Lamp Giesemann Super Flora 39W 36" T5 HO Lamp (GM-T5-SF)

Product Code: RGS00558
The Super Flora is a high-performance T5 tube developed for optimum plant growth and to accentuate the blue & red colors of your fish. 34 inches long for 36" fixtures/retrofits. 39W.

Our Price: $21.95
In Stock
Giesemann  Super Actinic 39W 36 inch T5 HO Lamp Giesemann Super Actinic 39W 36" T5 HO Lamp (GM-T5-SAB)

Product Code: RGS00559
The Super Actinic emits a very strong, pure actinic spectrum, which generates a light white/violet effect in your aquarium that maximizes the fluorescence from your colorful corals. Ideal for supplementation of existing metal halide lighting. 34 inches long for 36" fixtures/retrofits. 39W.

Our Price: $25.95
In Stock