When a tank is cloudy, it is usually for two reasons, either the nitrites have shot up, or you have extremely fine suspended particles.
Marina Polywool will trap fine particles in your tank to give you a beautifully clear aquarium.

A non-toxic mechanical filter media for freshwater or saltwater aquariums. It will help to prevent filters from clogging up by stopping the smaller particles getting through. It will polish your water giving it an ultra clear look.

To maintain biological filtration, do not change all media at one time, it is best to stagger it over time, this allows beneficial bacteria to transport to the new media.

Delivery Information

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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