Description
Promote vibrant coral colours and resilience with Reef Essential® Bio-Gen™ (250ml). This advanced supplement delivers bioactive halogens such as iodide, fluoride, and bromide, helping corals thrive while enhancing their natural white, blue, and violet pigmentation.
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Colour Enhancement – intensifies white, blue, and violet coral tones
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Supports Coral Health – aids in reducing bleaching and improving calcification
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Boosts Natural Resistance – strengthens corals against stress and environmental changes
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Essential Halogens – provides iodide, fluoride, and bromide for balanced reef chemistry
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Part of a Complete System – best used alongside Bio-Enhance™, Bio-Metals™, and Bio-Kalium™ for full-spectrum reef supplementation
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Reef Safe & Easy to Dose – suitable for dosing pumps, add directly to areas of high water flow
📦 Contents: Deionised water, Iodide, Fluoride, Bromide
💧 Recommended Iodine Levels: 0.06–0.09ppm
⚖ Dosing:
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Lightly stocked: 0.50ml / 100L daily
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Moderately stocked: 0.75ml / 100L daily
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Heavily stocked: 1.00ml / 100L daily
1ml/100L raises iodine by approx. 0.01ppm.
Delivery Information
| Delivery Option | Price | Speed | Best For |
|---|---|---|---|
| Free Local Delivery (Thanet) | FREE | 1–2 working days | CT8, CT9, CT10, CT11, CT12 postcodes |
| Economy (Royal Mail) | From £2.99 | 2–3 working days | Small/light items |
| Standard Courier | From £6.50 | 1–2 working days | Most orders |
| Express AM | From £9.99 | Next working day (AM) | Urgent orders |
| Saturday Delivery | From £12.50 | Saturday | Weekend delivery |
| Pallet / Large Goods | From £65 / free on qualifying mainland UK orders | 2–6 working days | Aquariums & heavy items |
All orders are fully tracked. Next-day cut-off is 1pm. Scotland, Islands & Northern Ireland rates calculated at checkout.
Payment & Security
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