Description
Enhance coral colour and reef health with Reef Essential® Bio-Kalium™ (500ml). Specially formulated with ionic and complexed potassium plus boron, this supplement helps intensify red and pink coral pigmentation while supporting natural biological processes.
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Boosts Coral Colour – enhances red and pink tones for vibrant displays
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Supports Nutrient Transport – potassium aids essential metabolic functions
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Promotes Aragonite Production – potassium and boron work together to strengthen coral skeletons
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Complete Supplement System – best used alongside Bio-Enhance™, Bio-Metals™, and Bio-Gen™ for full-spectrum coral care
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Reef Safe & Easy to Dose – add to high flow areas or dose automatically
📦 Contents: Deionised water, Potassium, Boron
💧 Recommended Potassium Levels: 375–400ppm
⚖ Dosing Guidelines:
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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 potassium by 1.0ppm. Boron increases proportionally.
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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