Specially graded marine sand sand is guaranteed to contain a high percentage of highly porous algal oolites. 

Due to their porosity, oolites provide a perfect habitat for de-nitrifying bacteria and can house several hundred times more bacteria than crushed shell or calcium based rocks.

In simple terms, an aquarium will mature much more quickly and remain more stable by using this sand.

Can be used with either an under gravel filter or power filter. When using an undergravel filter the sand should be laid to a depth of 2.5 - 3.5 inches, which is 2 bags per 1 ft squared.

We advise to lightly rinse in fresh water before being introduced to the aquarium, suitable for both freshwater AND marine set ups.
Ideal as both a mechanical and a high surface area biological filter media

  • Surface Area > 10 000m²/m³
  • Natural Aragonite
Delivery Information

Fast Free Delivery within Mainland UK on orders over £60.00.
We offer free mainland UK delivery on orders over £60.00. Smaller orders under £60.00 are subject to a £6.95 delivery charge. Delivery will typically be made within 3 - 5 working days but may be extended during busy times of the year.

Extra charges will apply to certain locations for example Isle of Wight and Offshore Islands. In some cases we can even deliver outside the mainland e.g. Channel Isles and arrange the VAT element for you. In all instances please contact us today for a personalised quote.

We Can Offer Next Day Delivery for £9.95.
To meet our deadline for this service you must order before 11.00am to ensure delivery for the next working day. This excludes weekends and bank holidays.

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