Seaweed by Sepanjang

Why Seaweed by Sepanjang?

We are not just a supplier. From aquaculture farms to export containers, every step is managed to meet international buyer standards — consistent, documented, and sustainable.

Natural sun-drying under tropical conditions preserves carrageenan and agar content optimally — without thermal degradation caused by artificial heat sources.

Sun-Dried Naturally

OUR ADVENTAGE

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Zero Chemical Additives

The entire cultivation and drying process is completely natural. No bleaching agents, no preservatives — safe for premium food-grade and pharmaceutical-grade applications.

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Flexible Grading

Available in precise specifications for moisture content, cleanliness, and particle size — tailored to meet processing industry requirements from mid-scale to enterprise buyers.

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Guaranteed Supply Capacity

Our extensive network of farming partners spanning Indonesia's key seaweed regions ensures consistent year-round availability — no seasonal shortages, no supply gaps.

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Complete Documentation

All documents — are provided in full and accurately prepared to facilitate smooth customs clearance at your destination port.

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Ready for Multiple Applications

Dari karagenan (food-grade) hingga agar-agar (pharma-grade), bahan baku fermentasi, dan pupuk organik — satu sumber untuk berbagai kebutuhan industri Anda.

Seaweed Product

The products below are a sample catalogue only. If you require other species or detailed specifications, please contact our team.

Eucheuma Cottonii

Kappaphycus Alvarezii

Mini Catalog

The highest-volume export species from Indonesia — contributing over 70% of the world's carrageenan supply. Cultivated extensively in South Sulawesi, Southeast Sulawesi, and NTB, it is the primary raw material for the global food, cosmetics, and pharmaceutical industries.

EKSPORT #1

CARRAGEENAN

AGAR PREMIUM

Gracilaria

Gracilaria Verrucosa

The world's leading source of premium agar — cultivated in brackish pond farms in East Java and Sulawesi. Highly sought after by the microbiology industry, premium Asian culinary sector, and cell culture media manufacturers for global biotechnology research.

IOTA CARRAGEENAN

Eucheuma Spinosum

Eucheuma Denticulatum

Producer of iota-carrageenan — the elastic carrageenan variant used specifically in soft-gel food products and cosmetic applications. Grows predominantly in the waters of Maluku and NTT, with growing demand from European and US markets for plant-based product formulations.

FOOD GRADE

BIOTECH

PHARMA GRADE

COSMETICS

IOTA GRADE

From the Farm to Your Industry

Harvested from Partners

Drying Process

Sorting and Grading

Packing and Delivery

Harvested from verified aquaculture farmers in Indonesia's key seaweed production regions — Sulawesi, Java, and Maluku.

Natural sun-drying for 3–5 days to reach optimal moisture levels. Handled by professionally trained processing teams.

Classified by species, size, colour, and impurity level. Grading is performed in line with each client's specific buyer requirements.

Packed to buyer specifications and paired with complete export documentation. Ready for domestic and international delivery.

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DISTRIBUTION FLOW

Premium Seaweed Raw Material, Direct from the Source.

Contact our team for pricing, technical specifications, and MOQ details tailored to your industry's needs.