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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
Fast Free UK Delivery on orders over £60.00.*
Smaller orders under £60.00 are subject to a £4.95 delivery charge. Delivery will typically be made within 2 - 3 working days but may be extended during peak times.
We Can Offer Next Day Delivery for £7.95*
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.
*Extra charges or restrictions will apply to certain UK postcodes. These include parts of Scotland, The Highlands, Northern Ireland and offshore Isles. Please note Next Day delivery is not available to these locations. Please click here for a full list of postcode exclusions and contact us today for a personalised quote.
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