

Offer to your aquarium reef a natural solution to control nutrients through gRO Macroalgae Light from Neptune Systems . Designed specifically to stimulate macroalgae growth (such as Chaetomorpha ) lamp LED compact 20W is ideal for shelters and filtration areas.
With a targeted light spectrum (455-460 nm and 620-670 nm), it promotes photosynthesis , stabilizes the pH of your tank and allows effective reduction of nitrates and phosphates , while creating habitat for useful micro-fauns.
Specially designed for macroalgae (Chaetomorpha, etc.)
Optimized light spectrum for photosynthesis
Flat design, compact and water resistant (IP64)
Covers an area up to 18" x 24"
的 Works with Apex self-employed (optional power supply)
Two flexible attachment systems included
| Characteristics | Value |
|---|---|
| Type | Lamp LED for macroalgae / refuge |
| Power | 20 Watts |
| LED spectrum | 455–460 nm / 620–670 nm |
| Number of LEDs | 84 (4 colours) |
| Dimensions | 22 x 15,5 x 3,5 cm (approx. 8.7" x 6.1" x 1.4") |
| Waterproofness | IP64 |
| Compatibility | Apex DC24 or autonomous system with 24V power supply (optional) |
| Area covered | Up to 18" x 24" (45 x 60 cm) |
| Attachment included | Flat clamp + PVC 1" hose clamp" |
Because macroalgae growth is one of the means most natural and effective to reduce nutrients in a aquarium reef. In addition to limiting unwanted algae, it:
Contributes to stabilize pH in reverse cycle
Promotes the development of microfauna (copepods, amphipods...)
Create a breeding area useful for your corals and fish
Reduces the overall biological load of your bin
Connect it to your Apex (DC24) or use an external power supply (optional). Choose mounting system adapted to your installation. No complex software, just one natural growth of algae for a healthier aquarium .
Order Now the GRO lamp of Neptune Systems and offer your reef tank a efficient, intelligent and sustainable shelter
Yes, the GRO Macroalgae Light is specially designed for marine aquariums. It is ideal for growing macroalgae such as Chaetomorpha in a refugia or growth chamber to control nutrients in your reef aquarium.
The GRO lamp connects directly to a DC24 port in your Apex system, but can also be used completely autonomously with an optional 24V power supply.
The GRO Macroalgae Light lamp covers a refuge area up to 18" x 24" (45 cm x 60 cm), making it ideal for small refuges or compartments in your sump.
Yes, the GRO lamp is IP64 certified, which means it is resistant to water and splash, perfect for use near the surface of the water in your refuge.
Yes, the GRO lamp offers several flexible mounting options. It can be attached with a flat clamp or PVC hose collar, allowing easy installation on various aquarium configurations.
No customer reviews for the moment.

Offer to your aquarium reef a natural solution to control nutrients through gRO Macroalgae Light from Neptune Systems . Designed specifically to stimulate macroalgae growth (such as Chaetomorpha ) lamp LED compact 20W is ideal for shelters and filtration areas.
With a targeted light spectrum (455-460 nm and 620-670 nm), it promotes photosynthesis , stabilizes the pH of your tank and allows effective reduction of nitrates and phosphates , while creating habitat for useful micro-fauns.

