About Kelp blue

We harvest cultivated kelp to produce ingredients for agriculture, pharmaceuticals, and textiles.

To restore our planet to equilibrium, or even to abundance, we need to come together to find cost-effective, long term and environmentally sustainable solutions. At Kelp Blue, we believe we’ve found one such solution: growing and managing large-scale Giant Kelp forests.

The process

The Hatchery

The sorus tissue, the fertile material that is found on mature kelp blades, is taken to our hatchery. A safe and controlled environment where we nurture the kelp from near microscopic gametophytes, through to sporophytes - the multicellular leaf-like stage. Once big enough, the sporophytes are attached to a special wire and made ready to be planted in the ocean.

outplanting

At the out-planting stage, the twine is wrapped around our farm structures. Our farm uses lines and ropes onto which the holdfast - the root-like foot of the kelp - can securily attach. Our team of divers will secure the twine to the structures and regularly monitor the progress of the growing kelp.

Engineering

The farms are submerged in the ocean. In the deeper water we have installed structures that are anchored at around 15 metres below the surface – the perfect depth to maximise access to nutrients and light while keeping the young kelp out of the most violent movement of the waves.

marine monitoring

Our dedicated marine monitoring team regularly check on the kelp and keep track of the biodiversity observed. They use a range of different methods including methods like acoustics, visual observations, water sample analysis, and environmental DNA. We also regularly measure water quality and analyze dissolved organic carbon in the lab.

harvesting

Once the kelp grows to maturity and starts forming a canopy, some of the biomass is harvested to turn into sustainable alternatives for industries such as agriculture and packaging. Currently the kelp is harvested by hand, but we are working on a fully-automated solar powered emission-free  harvester which would allow us to significantly scale up our operations.

processing

Our kelp is carefully processed to extract its bioactive compounds. Through innovative techniques, we concentrate these compounds into potent liquid seaweed extracts that increase crop yield, improve soil health, reduce chemical dependency, and improve abiotic stress stress tolerance.

quality control

Quality control is at the core of our operations. Every batch undergoes rigorous testing to ensure consistent performance, which is crucial for liquid seaweed extracts to perform consistently in varying agricultural environments. Rigorous testing ensures that our products deliver reliable, optimal results, every time.

R&D

The R&D team valorizes all components of the kelp. Our new products include a bio-based leather alternative, as well as blended fabrics and coatings. We extract alginates and fucoidan, which can be used in cosmetics, nutraceuticals and as input materials for bio packaging or as gelling agents.

how we do it

Innovation is at the heart of what we do. It isn’t just about “tech”, innovation is actually very human— it takes heart, it takes soul; from everyone involved. Because big innovation has big impact on the planet and people.

Meet the team

We are so proud of our hard-working Kelpies, who work tirelessly to make our oceans a little better every day.
Iriya Jona
Processing Lead
Iriya is a Fisheries and Aquatic Scientist from the University of Namibia. She has skills on environmental monitoring and fish feed formulation & processing. Iriya was the top female entrepreneur in Namibia for the Total StartUpper of the year challenge, 2019 and has won multiple entrepreneurship awards. She is passionate about Research and Innovation. Iriya loves travelling & adventure and enjoys taking pictures of nature.
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Elizabeth Nandjaya
Agronomist
With a degree in Crop Science from the University of Namibia, Elizabeth is a true nature enthusiast whose heart finds peace in shades of green. Her love for plants extends beyond the classroom into her garden, where she spend her free time nurturing life and reconnecting with nature. When Elizabeth is not in the garden, you’ll find her exploring flavors in the kitchen or singing her heart out – both passions that bring joy and harmony to her life.
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Caroline Slootweg
Co-founder Kelp Blue
A start-up, change management and digital transformation specialist, Caroline has worked at Unilever, WPP, in mar-tech and agri-tech. Her purity of purpose expresses itself as clarity, simplicity and speed. Caroline sailed half-way around the world and across the Pacific Ocean in the Clipper Round the World yacht race and is also a keen forager and traveller.
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Renske Wytzes
New Product Development Lead
Raised in the countryside, Renske moved to Rotterdam to study Economics and Business at Erasmus University. After launching a startup in shared mobility for students, she joined the Dutch development bank, investing in early-stage ventures. There, she discovered her passion for agriculture, both on land and in the ocean – and felt the pull back to the practical side. You’ll find Renske by the Amstel river where she lives: taking morning plunges, running, reading books, or hosting spontaneous dinners and drinks by the water.
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Siririka Kapenauarue
Seawater Technician
Originally from Namibia's Omaheke region, Kapenauarue Siririka holds a diploma in Natural Resources Management from the University of Namibia. Passionate about conservation, Siririka enjoys spending his free time playing football, a sport he loves.
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Ferdi Knoester
Logistics Lead
Graduated with a Masters in Hydraulic Engineering from TU Delft. Built an artificial reef to combat coastal erosion in North Sulawesi and built a bamboo factory in the jungles of Nicaragua while working together with the indigenous Miskito populations. Ferdi loves to dive and does this in every place he visits (where possible), has run the Rotterdam marathon and completed the Barcelona Iron Man 70.3.
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Lucky Pieters
Finance Support
Meet Lucky, a 34-year-old resident of Luderitz Bucht (Buchter). We know him as a happy soul, an open book. A ‘what-you-see-is-what-you-get’ kind of guy. Lucky, raised in this coastal town, has a deep-seated connection with the ocean, where he holds beautiful memories. He loved nothing more than chilling on a boat with his dad, especially when the water was calm in the late afternoons. He’s a hardworking family man and a dedicated dad.
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John Körner
Finance Manager Namibia
Meet John – a family man, outdoor enthusiast, and the designated “Braaier” at gatherings. With three sons, he cherishes family beach days, finding peace and inspiration in the sea’s life support. Excitedly joining Kelp Blue, John is all about sustainability and embracing Namibia’s new industry. Beyond his culinary skills, he enjoys exploring diverse dishes, playing volleyball, and pursuing new ventures post-study life. Here’s to John, creating good vibes and contributing to a sustainable future!
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vision 2029

By 2029, our goal is to remove over 1 million tons of CO2 annually through 70,000 hectares of Giant Kelp farms located 30-100 km offshore from Lüderitz. These farms benefit from the Benguela Current, which is twice as productive as the Chile current and nine times more productive than the California current. This results in a 10%-20% increase in regional fish stocks and biodiversity, creating over 400 local jobs and indirectly supporting 800-1,000 more.

Careers

We’re not a  ‘business as usual’ scale-up. We value originality and creativity, expect a healthy dose of common sense, that you are a problem solver by nature and that you’re comfortable getting on with tasks in an unstructured environment.

If you feel like you’re a good fit, please get in touch. You might be what we are looking for and we don’t even know it.

We’re always on the look out for those who want to join us on our journey to leave the planet in a better place. Send us an email with your resume to newkelpies@kelp.blue

Transform Your Farm with StimBlue+

Ready to boost your yields and enhance soil health? Contact our team of agronomists to learn how StimBlue+ can benefit your farm. Our team is ready to answer all your questions, comments, and requests.

Or give us a call, WhatsApp only:
+32 (0)4 70 80 64 57

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