Fiji Pink Reef Sand: 0.5-1.0 mm diameter grain size. A gently hued aragonite, CaribSea Seaflor Pink Fiji Reef Sand is ideal for plenum systems, nitrate reduction systems and most fish and reef tanks. Helps achieve the pH of natural seawater. Proves calcium and other essential trace elements like strontium and magnesium.

"The Engineered Aragonite!"
CaribSea's marine substrates are recognized worldwide for their purity and precision.

CaribSea aragonite is purposely engineered and free of impurities such as ash, metals, pesticides, and silica which allows you to create a safe and beautiful environment for your fish and invertebrates.

Our precision grading makes system design a breeze! No matter what type of system you are setting up, we have the substrate that's perfect for the filtration method and habit you are creating.

Choose from the beautifully rounded oolitic grains of the Aragamax Sugar sized sand to the unique texture of the Super Reef. Carib Sea has you and your aquarium covered.