SPECIALIST AGGREGATES
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5-8mm Water filter support gravelProduct is supplied securely wrapped on a non returnable palletFilter support gravels for natural swimming poolsWhy hide the filtration ? Ripley's Aquarium Toronto
Filter Support Gravel 5-8mm
Product Code: 2641F

Options:
 10 Pack Pallet (¼ Tonne):   £126.00 Inc VAT and delivery 
 20 Pack Pallet (½ Tonne):   £176.40 Inc VAT and delivery 
 40 Pack Pallet (1 Tonne):   £252.00 Inc VAT and delivery 

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Filtration Support Gravel, 5-8mm nominal size suitable for industrial, aquaculture, recreational and swimming pool water filters


Pack size: 25kg

Gravel Size: 5-8mm

Description& Application:
A natural washed and closely graded support gravel suitable for industrial, aquaculture, recreational and swimming pool water filters.

For information on this gravel as a decorative product and for building applications see:
Prior to ordering:
The volume of support media required will vary with make and capacity of filter, please check manufacturers recommendations.

Filtration for Non Filtration Specialists:

Pools, spas and ponds require water to be filtered (and as appropriate disinfected) to provide safe places for recreation and livestock. Poor maintenance can lead to clogged filters which can increase the risk of water borne infection.

Typically water filters contain clean closely graded silica sand often carried on a bed of filter support gravel. A pressure fed sand filter or "high rate" sand filter, which is generally located immediately after the pump will typically remove particles down to 10 microns in size (ten thousands of a millimetre).

Water is pumped under pressure into the top of the filter and leaves at the bottom. On the way through suspended dirt and debris in the water is trapped by the particles of sand.

Sand filters need to be cleaned regularly. By re-directing water back up through the sand bed and out to waste, accumulated dirt is flushed out, this is process is called back washing. Sand filters come with a valve known as a multiport valve to change the direction of water flow and to facilitate this process.

Sand media needs changing every three to five years, however, also be aware of a phenomena known as chanelling. This is where water cuts channels in the sand leading to a loss in filter efficiency an again will require the media to be replaced.

Price Promise:
All prices shown include VAT and Delivery to mainland locations in England, Wales and Southern Scotland - There are no hidden charges on checkout.

Logistics:
Product is supplied packed in safe and easy to handle weatherproof packs stacked on a pallet and stretch wrapped for added protection and security. Pallets are delivered by national couriers and off-loaded onto a level hard-standing using vehicle tail-lift and pallet truck. Please advise during checkout or contact our office if you have specific delivery requirements or concerns.

Design Specify: 5-8mm Filter support gravel from Specialist Aggregates.

Product Code: 2641F

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500kg = ½ Tonne              1000kg = 1 Tonne

Alternative Volumes 
Filter Support Gravel 5-8mm
Filter Support Gravel 5-8mm
15kg
£29.94
Filter Support Gravel 5-8mm - Collect
Filter Support Gravel 5-8mm - Collect
Collection
 £24.00
Bridport Black Gravel
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