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https://www.swelluk.com:443/red-sea-coral-trace-colours-b-potassium-500ml/ 
Red Sea Coral Colours B (Potassium) - 500ml
Give your salt water tank a boost of Potassium and trace elements to bring out the best in your soft corals, using Red Sea Coral Trace Colours B (Potassium) - 500ml supplement, added straight to your water to create brilliant reds and pinks.
Product Information
Red Sea Coral Trace Colours B (Potassium), K and Trace Elements promotes the natural red colours in corals.
These elements work together to promote and support the alkalinity of coral's soft tissue and formation of a healthy, strong skeleton. They are naturally depleted from the water, and therefore regular testing and restoration of these elements is imperative to ensure levels are maintained.
Red pigments are produced and strengthened too, and this will allow the glorious reds and pink colours of your corals to shine with health.
- 1ml will raise the potassium level of 100 litres (25 gal) by 1.75ppm.
For Further Information Please Refer To The RedSea Brochure Below.