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Collection: Filter & Reactor Media

Mechanical, biological, and chemical media for filters and reactors — carbon, GFO, phosphate removers, resins, bio media, and media bags. Mechanical media needs replacing, biological media should be left alone. 

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111 products

Two Little Fishies Specialized Filter Media

Two Little Fishies MetaSorb 1x250Gram

Regular price $47.05
Sale price $47.05 Regular price
Two Little Fishies GFO and Reactor Media

Two Little Fishies ReMag - 1KG

Regular price $30.60
Sale price $30.60 Regular price
DVH Imports GFO and Reactor Media

DVH NP Reducing Biopellets (500ml)

Regular price $44.75
Sale price $44.75 Regular price
PolypLab Genesis Rock

PolypLab Genesis Rock - 4 Pack

Regular price $84.95
Sale price $84.95 Regular price
PolypLab Genesis Rock Booster

PolypLab Genesis Rock Booster

Regular price $69.95
Sale price $69.95 Regular price
Fluval Spray Bar Kit for 06/07 Filters

Fluval Spray Bar Kit for 06/07 Filters

Regular price $22.85
Sale price $22.85 Regular price
Reef Crest Bulk Activated Carbon (20KG)

Reef Crest Bulk Activated Carbon (20KG)

Regular price $489.60
Sale price $489.60 Regular price
Hagen Fluval 206/306 207/307 Bio-Foam - 2 Pack

Hagen Fluval 206/306 207/307 Bio-Foam - 2 Pack

Regular price $5.65
Sale price $5.65 Regular price
SeaChem de Nitrate - 2 Litre

SeaChem de Nitrate - 2 Litre

Regular price $29.35
Sale price $29.35 Regular price
MarinePure Bio Filter Media Cubes - 1/2 Cubic Foot

MarinePure Bio Filter Media Cubes - 1/2 Cubic Foot

Regular price $176.25
Sale price $176.25 Regular price
DVH NP Reducing Biopellets (1000ml)

DVH NP Reducing Biopellets (1000ml)

Regular price $84.95
Sale price $84.95 Regular price
Seachem Laboratories Hang-On Filter Media

Seachem Tidal Filter 55 Foam Filter Media

Regular price $8.75
Sale price $8.75 Regular price
IceCap Bio Sphere Media Tower

IceCap Bio Sphere Media Tower

Regular price $19.65
Sale price $19.65 Regular price
Aqueon Large Quiet Flow and Coralife Filter Cartridge - 3 Pack

Aqueon Large Quiet Flow and Coralife Filter Cartridge - 3 Pack

Regular price $15.05
Sale price $15.05 Regular price
Seachem Tidal Filter 35 Foam Filter Media

Seachem Tidal Filter 35 Foam Filter Media

Regular price $7.20
Sale price $7.20 Regular price
Seachem Laboratories Hang-On Filter Media

Seachem Tidal Filter 75 Foam Filter Media

Regular price $10.80
Sale price $10.80 Regular price
Seachem Tidal Filter 110 Foam Filter Media

Seachem Tidal Filter 110 Foam Filter Media

Regular price $13.45
Sale price $13.45 Regular price
Aqueon Quiet Flow Medium Filter Cartridge - 6 Pack

Aqueon Quiet Flow Medium Filter Cartridge - 6 Pack

Regular price $22.50
Sale price $22.50 Regular price
Aqueon Quiet Flow Internal Large Filter Cartridge - 2 Pack

Aqueon Quiet Flow Internal Large Filter Cartridge - 2 Pack

Regular price $14.65
Sale price $14.65 Regular price
Seachem Tidal Filter 55 Carbon Pouch

Seachem Tidal Filter 55 Carbon Pouch

Regular price $12.05
Sale price $12.05 Regular price

Three Kinds of Media, Three Jobs

Filtration works in three stages, and most tanks use media from each. Mechanical media traps particles; biological media houses the bacteria that convert ammonia and nitrite; chemical media strips out dissolved pollutants like phosphate, organics, and discolouration. Knowing which job you're solving tells you which media to reach for. We stock media from Seachem, Boyd, RowaPhos, Reef Crest, PolypLab, and Fluval.

Media by Function

  • Biological — porous bio media that seeds and sustains your nitrogen cycle.
  • Activated carbon — removes organics, odours, and discolouration for clear, clean water.
  • Phosphate removers — GFO and iron-based media that starve nuisance algae of phosphate.
  • Specialty resins — products like Purigen and Chemi-Pure that polish water and pull organics.
  • Bags & socks — mesh media bags to hold loose media in your filter or reactor.

Match media to the problem you actually have — running phosphate remover with no phosphate reading just wastes media. Replace or recharge chemical media on schedule, since exhausted media stops working. Email info@jlaquatics.com for help. J&L has supplied Canadian aquarists since 1997.

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.