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Collection: Filter Socks & Holders

Felt and mesh filter socks in a range of micron ratings, plus media cups, sock holders and pad material. A sock only filters if it comes out and gets cleaned, so buy several and rotate.

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22 products

Reef Crest Aquarium Filter Media - 36 x 18 Inch

Reef Crest Aquarium Filter Media - 36 x 18 Inch

Regular price $8.75
Sale price $8.75 Regular price
Reef Crest 200 Micron Filter Sock (4 Inch)

Reef Crest 200 Micron Filter Sock (4 Inch)

Regular price $8.95
Sale price $8.95 Regular price
Reef Crest 200 Micron Filter Sock (7 Inch)

Reef Crest 200 Micron Filter Sock (7 Inch)

Regular price $10.45
Sale price $10.45 Regular price
Reef Crest 100 Micron Filter Sock (7 Inch)

Reef Crest 100 Micron Filter Sock (7 Inch)

Regular price $10.45
Sale price $10.45 Regular price
Red Sea Reefer Mesh Filter Sock - 225 Micron

Red Sea Reefer Mesh Filter Sock - 225 Micron

Regular price $23.99
Sale price $23.99 Regular price
Red Sea Reefer Filter Sock - 225 Micron

Red Sea Reefer Filter Sock - 225 Micron

Regular price $23.99
Sale price $23.99 Regular price
Red Sea Reefer Filter Sock - 100 Micron

Red Sea Reefer Filter Sock - 100 Micron

Regular price $23.99
Sale price $23.99 Regular price
Red Sea Reefer Filter Media Cup

Red Sea Reefer Filter Media Cup

Regular price $37.99
Sale price $37.99 Regular price
Eshopps Filter Socks & Fleece

Eshopps Filter Sock (7 Inch)

Regular price $18.40
Sale price $18.40 Regular price
Red Sea Nano Mesh Filter Sock - 225 Micron

Red Sea Nano Mesh Filter Sock - 225 Micron

Regular price $24.99
Sale price $24.99 Regular price
Eshopps Rectangle Filter Sock

Eshopps Rectangle Filter Sock

Regular price $19.95
Sale price $19.95 Regular price
Eshopps Filter Socks & Fleece

Eshopps Nano Filter Sock 3 Pack

Regular price $36.35
Sale price $36.35 Regular price
Bubble Magus Media Cup - 4 Inch

Bubble Magus Media Cup - 4 Inch

Regular price $17.35
Sale price $17.35 Regular price
Seachem 100 Micron Filter Sock - 4 x 12 Inch
new

Seachem 100 Micron Filter Sock - 4 x 12 Inch

Regular price $10.10
Sale price $10.10 Regular price
Bubble Magus Filter Sock Holder - 4 inch

Bubble Magus Filter Sock Holder - 4 inch

Regular price $26.05
Sale price $26.05 Regular price
Vivid Creative NOSOK Filter Sock Replacement - 4 Inch
new

Vivid Creative NOSOK Filter Sock Replacement - 4 Inch

Regular price $67.15
Sale price $67.15 Regular price
Seachem 200 Micron Filter Sock - 7 x 16 Inch
new

Seachem 200 Micron Filter Sock - 7 x 16 Inch

Regular price $13.20
Sale price $13.20 Regular price
Vivid Creative NOSOK Filter Sock Replacement - 2.75 Inch
new

Vivid Creative NOSOK Filter Sock Replacement - 2.75 Inch

Regular price $48.55
Sale price $48.55 Regular price
Seachem 100 Micron Filter Sock - 7 x 16 Inch
new

Seachem 100 Micron Filter Sock - 7 x 16 Inch

Regular price $12.65
Sale price $12.65 Regular price
Seachem 250 Micron Mesh Filter Sock - 7 x 16 Inch
new

Seachem 250 Micron Mesh Filter Sock - 7 x 16 Inch

Regular price $12.95
Sale price $12.95 Regular price

Mechanical Filtration You Can Actually Remove

A filter sock catches detritus before it breaks down, and its whole value lies in being taken out and cleaned. Left in place, it stops being mechanical filtration and becomes a nutrient source sitting in the sump — which is why the honest advice is to buy several and rotate them.

Choosing a Sock

  • Felt socks — 100 and 200 micron, the finer options for polishing water.
  • Mesh socks — 225 and 250 micron, coarser, faster-draining and easier to rinse clean.
  • Sizes — 4 inch and 7 inch collars in standard lengths, plus nano and rectangle formats.
  • Media cups — swap the sock for a basket holding your choice of media.
  • Sock holders and rings — mount and support the sock where the overflow drops in.
  • Filter pad material — cut-to-fit sheet for sumps and hang-on filters.

Match the collar diameter to your holder first, then pick the micron rating. Finer socks polish better but clog faster; on a heavily fed system a 200 or 225 micron sock often runs longer between changes and does more real work than a 100 that blinds off in two days. Questions? Email info@jlaquatics.com.

J&L Aquatics was formed in December 1997

Our business was started from our love of the aquarium hobby. We at J&L Aquatics felt that the Canadian aquarist should have the option to purchase top quality supplies, equipment and livestock other than the generally over priced local retail stores.