Retentis® Water Storage Gel

Retentis® – The biological water reservoir for your raised bed

🌿 Natural gardening. Smart water saving.

Retentis® is a biodegradable, lignin-based water reservoir – a sustainable raw material from the pulp industry. With its exceptional ability to store up to 10 liters of water per kilogram of granules, Retentis® reduces watering efforts by up to 40% and ensures healthy, deep-rooted plants – even in hot summers or during longer vacation periods.

💧 Save water – promote growth

• Saves up to 40% watering water

• Releases moisture to roots as needed

• Promotes strong root growth and healthy plant development

• Effectiveness: 3–5 years in soil

• Ideal for raised beds, vegetable patches, balcony boxes, lawns, and planting holes

✅ Sustainable & biodegradable

• 100% biological & approved for organic farming (organic certification)

• Free from microplastics, petrochemical residues & pollutants

• Promotes humus formation and long-term improvement of soil structure

• pH-neutral – can be combined with fertilizer

🔧 Easy application – in 3 steps

1. Mix – Incorporate Retentis® evenly into the soil
2. Plant – Plant or sow as usual
3. Water – Activate with sufficient water – done!

💡 Recommended dosage:

🔬 Sustainable Technology – Made in Austria

• Made from lignin, a renewable raw material from forestry

• 100% water-based production, without organic solvents

• Energy-efficient, pressureless manufacturing process

• Patented technology with modular scalable production

• Regionally produced: 100% made in Austria

🌱 Why Retentis®?

✔️ Saves water and time
✔️ Supports sustainable gardening and agriculture
✔️ Durable, efficient, and environmentally friendly
✔️ No stress with watering – even during vacation!