Skoog Tablets, officially designated Skoog Coastal Life-Seed (SCLS), is a biotechnological system architecture for the production of protein-rich biomass in crisis-affected environments. The system transforms seawater into a nutrient substrate in 72 hours through a closed, controlled process — without electricity, without advanced equipment, and without dependency on functioning infrastructure.

The system is delivered as three tablets, each physically coded by shape: round, square, and triangular. These shape symbols guide the process in the correct order and eliminate language barriers, making the system accessible to everyone regardless of education level.

SCLS is primarily designed for humanitarian crisis response — natural disasters, conflict zones, coastal communities after infrastructure collapse, refugee camps, and remote coastal environments. Since seawater and sunlight are the only raw materials required, the system can be applied globally along any coastline.

Secondarily, the technology targets:

• Humanitarian organisations (UN, NGOs, emergency services)
• Research institutions in biotechnology and food security
• Government preparedness planning for coastal nations
• Open-source networks and local producers in low-income countries

The process is controlled by three tablets added one at a time to a 20-litre container of seawater. The principle is called Pulse-Feeding: nutrients are added only on day 2, once the desired organisms already dominate the culture, ensuring energy is used efficiently.

The system is based on an optimised co-culture of halophilic (salt-loving) organisms. All three are recognised as safe. V. natriegens is not to be confused with pathogenic Vibrio species such as V. cholerae.

• Vibrio natriegens (ATCC 14048): BSL-1-classified marine bacterium — the same biosafety level as baker’s yeast. Non-pathogenic, widely used in biotechnology research worldwide.
• Dunaliella salina: Halophilic microalga contributing oxygenation, lipids, and beta-carotene (pro-vitamin A). Commercially used globally as a food supplement.
• Tetragenococcus halophilus: Halophilic lactic acid bacterium used in soy sauce fermentation. Responsible for pH reduction through organic acids.

SCLS incorporates three built-in safety barriers that require no external equipment:

1. Visual Verification (Anthocyanin indicator): When fermentation is complete and pH drops below 4.5, the entire liquid volume shifts to a reddish-orange hue with slight yellow tones — confirming safe acidity without a pH meter.
2. Sensory barrier (Quassin extract): A natural bitter compound built into the system. If the desired organisms do not dominate, tasting the liquid produces a distinct bitterness — an intuitive warning signal.
3. Thermal final treatment (Mandatory): Pressed biomass formed into max 5 mm patties and heated to 75 °C. Full heat penetration eliminates remaining potential pathogens.

A standard 72-hour batch yields approximately ~40 grams of dry biomass.

The system is designed for the biological window of 20–35 °C. Correct temperature management is critical.

• Partial burial (Mandatory): The container is buried so that 70–80% of the volume is below ground level. The ground acts as a natural heat sink.
• Temperature control without instruments: Feel the liquid against the inside of the wrist — it should feel warm but not burning (above 40 °C kills the bacterial culture).
• Agitation routine (Fixed schedule): Vigorous manual agitation at sunrise, midday, and sunset. In strong direct sunlight, every 2 hours is recommended.

The equipment requirements are intentionally minimal:

✅ 1 × 20-litre plastic container or bucket with lid
✅ Seawater (directly from the sea)
✅ Direct sunlight (partial exposure)
✅ Ability to partially bury the container
✅ A piece of dense fabric (for filtering during harvest)
✅ A heat source for final treatment (75 °C) — e.g. open fire, gas burner

Every humanitarian operation eventually faces the ”last mile” — the point where destroyed roads, collapsed bridges, or active conflict make conventional food delivery impossible.

SCLS solves this structurally: instead of transporting finished food, concentrated bio-tablets are transported. Three tablets weigh just a few grams but enable the production of life-sustaining protein for a family. A single transport can deliver tablets to thousands of families. Production starts immediately on-site because the seawater is already there.

Yes. SCLS produces protein without the use of animals, without slaughter, and without animal-based raw materials. The process relies solely on microorganisms and microalgae.

• Naturally vegan
• Culturally and religiously inclusive (no restrictions related to animal species or slaughter methods)
• Free from animal-based supply chains

Decentralised — by design. Each family operates its own production in its own container. If a single container fails, it does not affect a neighbour’s access to nutrition. This makes SCLS extremely resilient to blockades, technical failures, or sabotage.

This is a fundamental difference from centralised kitchens or food distribution centres, which at a single point of failure can leave an entire population without food.

V. natriegens (ATCC 14048) is BSL-1-classified and is not pathogenic. The entire safety architecture eliminates any pathogenic Vibrio species through the process itself:

• High salinity (>7%) inhibits non-halophilic pathogens from day 1
• Acidic pH (<4.5) eliminates V. cholerae and similar pathogens (they die below pH 6)
• Thermal final treatment (75 °C) reduces any remaining microbiological risks

Partially. Dunaliella salina requires direct sunlight for optimal photosynthesis. During overcast weather, growth rate decreases but the system can still function. Shorter cloudy periods are tolerated with reduced efficiency.

The system is primarily designed for sunny coastal environments — tropical and subtropical crisis areas along the coasts of Africa, Asia, and South America.

After the FINISH-SEED tablet (day 3) activates the flocculation process:

1. The flocculant aggregates cells into heavier clusters that sink to the bottom
2. The clear salt water on top is carefully decanted
3. The biomass is pressed through a dense piece of fabric to remove excess salt water
4. A taste test confirms the mass is salty but edible
5. Biomass is formed into patties with maximum 5 mm thickness and heated to 75 °C

A single batch produces 20–22 grams of protein. For continuous daily supply, a rolling schedule is recommended:

• Start unit A on day 1, unit B on day 2, unit C on day 3
• From day 3 onwards, unit A is ready for harvest and a new cycle begins
• This achieves uninterrupted daily protein output

Yes. SCLS is published under Creative Commons Attribution 4.0 International (CC BY 4.0):

✅ Free to use, produce, and distribute
✅ Free to adapt and further develop
✅ Free for commercial use

• Zenodo (DOI): https://zenodo.org/records/19650438
• Website: www.skoogmarine.com/skoog-tablets
• Technical report (PDF): Attached to the Zenodo publication above

The Skoog Buoy is a standalone innovation by the same inventor — the world’s first industrial system for extracting fresh water directly from the air, without electricity and without brine discharge, with a capacity of up to 500,000 litres per day per unit.

Göran Skoog is an independent inventor and innovator specialising in marine technology and sustainability solutions, with 13+ inventions across marine technology, microplastic prevention, and sustainable food production.

📧 Goran@skoogmarine.com
🌐 www.skoogmarine.com
📄 Zenodo: https://zenodo.org/records/19650438

”Innovating for a Thirst-Free and Hunger-Free World. Water from air. Food from the sea. No Electricity. No brine. Always Open Source.”

Licence: Creative Commons Attribution 4.0 International (CC BY 4.0)