Kessil H380 Refugium Macroalgae LED Grow Light Expand

Kessil H380 Refugium LED Grow Light

Kessil Kessil


The Kessil® H380 refugium grow light is the premium choice when it comes to grow very fast macroalgae in the marine aquarium, especially Chaetomorpha (Chaeto), as it produces a high-intensity fulls-pectrum light.

The 2 different light spectrums - Grow & Bloom - fit the different light requirements of various macroalgae species in the refugium tank.

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£ 374.95

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Individual Customer Service

100% Satisfaction Guarantee

Premium Quality

Macroalgae Price Match

By buying this product you can collect up to 374 loyalty points. Your cart will total 374 points that can be converted into a voucher of £ 7.48.

Kessil® H380 Refugium LED Grow Light

Dense Matrix LED technology for exceptional illumination

Kessil’s patented Dense Matrix LED™ technology concentrates multiple LED chips into a single point source, creating a powerful light source strong enough to penetrate past the canopy and deliver light to the entire macro algae in the refugium. 

Adjustable light spectrum

The 2 different available light spectrums can be selected directly on the lamp housing to suit the light requirements of different macroalgae species.

You can choose between the following light spectrums:

  • Grow spectrum - Extreme Purple
    The Grow spectrum is a great choice for many different macro algae species like Caulerpa.

  • Bloom spectrum -  Extreme Magenta
    The Bloom spectrum is recommended for the use Chaetomorpha.

Heat management

The Kessil H380 features an innovative heat management which produces less head which is kept cool by a single fan.


Maximum Spread - 24" x 24"
Recommended Spread - 18" x 18"


Dimensions - 4.5" x 4" (Diameter x Height)
Power Consumption - 90W MAX
Power Supply - 100-240V AC (input) 19v DC (output)
Weight: 1.15 lb (520 g)

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100% Satisfaction Guarantee

We want you to be fully happy with your new algae addition. Therefore we offer you a hassle free Satisfaction Guarantee.  

If you are not 100%  happy with the macroalgae you received on arrival we will refund you the full money back *1.
We even will cover the return costs. The refund will be offered after we arrived and checked the returned algae.

*1 = Valid for UK Orders only, please see our Terms for EU orders HERE 

Top Quality Macro Algae Guarantee

We offer you marine algae from our mature macro algae mother colonies in a premium quality & 100% healthy. Sustainably grown in the UK.

All macro algae we sell will be normally heat sealed and wet wrapped when posted to you, protected in a small box which assures that it doesn't get damaged while in transit. 

Best Price Guarantee

We won't be beaten on the Premium Quality of our Macroalgae cultures, and surely not on the price either!

Have you seen the same macro algae somewhere else cheaper?

Please just send us a message HERE and we will check your request within 24 hours ( working days only ).

When we can match the other price we will send you a discounted offer which will be valid for the next 7 days after receiving our email. 
This offer will be just valid for purchases using the email address provided before.

The price match offer is only valid for identical, same size/amount and available macroalgae species.
As a proud UK based tax paying business, we don't price match any offers against auction sites or from private sellers.

The price match offer is just valid for UK deliveries. We reserve the right to refuse a price match request.

If you have any questions please don't hesitate to contact us, please.

Your Livealgae UK

Livealgae UK

Kessil offers superior LED lights for the marine aquarium and refugium. The Kessil H80, H160 and H180 are an excellent choice for growing macroalgae successfully as they provide a perfect light spectrum.

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