Refill Organic Seaweed Fertiliser

Refill Organic Seaweed Fertiliser
pairs well with...
Organic Irish Sea
weed Fertiliser
Drawn from the wild, unspoiled waters of Ireland’s west coast, our seaweed is hand-harvested with care and cold-pressed to lock in its natural richness.
This time-honoured method not only protects delicate marine ecosystems but also ensures every drop is bursting with goodness for your garden.
Perfect for lawns, plants, fruit, and vegetables, it feeds the soil, strengthens roots, and keeps your garden thriving season after season.
A simple, sustainable choice for anyone who loves to grow naturally.
- Certified Organic – trusted for safe and natural growing
- Stimulates healthy plant growth
- Enhances root development for stronger, more resilient plants
- Improves nutrient absorption so your plants get more from the soil
- Reduces plant stresses from heat, cold, and drought
- Boosts soil microbial activity to build long-term soil health
- Helps prevent foliar & root diseases
- Encourages nitrogen fixation for naturally fertile soil
- Perfect for year-round use – keeps plants and soil in balance through every season
How to Use
Shake – Give the bottle a good rattle to activate all the goodness.
Measure – 10ml of organic seaweed.
Dose – Add to a full 5-litre (1-gallon) watering can.
Feed – Water generously and enjoy the results.
Ingredients & Info
Seaweed: Ascophyllum nodosum
Appearance: Dark green to brown
Alginates: 26.6%
Suspended solids: 65g per litre pH: 4.2 Density: c. 1.07g/cm²
Solubility: Complete
Shelf life: 24 months
Nutritional Information
Calcium: 1.20%
Chlorine: 4.80%
Magnesium: 1.80%
Nitrogen: 1.00%
Phosphorous: 0.16%
Potassium: 2.20%
Sodium: 3.10%
Sulphur: 1.70%
Trace minerals (PPM): Barium: 127 | Boron: 194 | Copper: 6 | Iodine: 1200 | Iron: 211 | Manganese: 22 | Selenium: 4 | Zinc: 35
Bioactive compounds: Alginate: 26.6% | Laminarin: 11.2% | Fucoidan: 7.1% | Mannitol: 10.1% | Polyphenols: 6.9% | Amino acids: 7% | Betaines: 150ppm
Natural plant hormones (PPM): Cytokinins: 45 | Auxins: 182 | Gibberellins: 30