Saltwater Filter Media

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Underwater Treasures Seapora Filter Floss, 20-sq ft slide 1 of 2
Underwater Treasures Seapora Filter Floss, 20-sq ft slide 2 of 2
Underwater Treasures Seapora Filter Floss, 20-sq ft slide 1 of 2
Underwater Treasures Seapora Filter Floss, 20-sq ft slide 2 of 2
Underwater Treasures Seapora Filter Floss, 20-sq ft slide 1 of 2
Underwater Treasures Seapora Filter Floss, 20-sq ft slide 2 of 2

Underwater Treasures Seapora Filter Floss, 20-sq ft

Rated 4.8 out of 5 stars
57
$15.99 Chewy Price
($15.99/ea) Price per Unit
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Free 1-3 day delivery on first-time orders over $35
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Boyd Chemi-Pure Blue Nano Ultimate Filter Media, 5 count

Rated 4.7 out of 5 stars
16
$14.43 Chewy Price
($2.89/ea) Price per Unit
$20.39 List Price
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Free 1-3 day delivery on first-time orders over $35
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Slide 1 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 1 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 2 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 3 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 4 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 5 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 6 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 1 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 2 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 3 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 4 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 5 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 6 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 1 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 2 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 3 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 4 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 5 of 6
Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium slide 6 of 6

Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium

Rated 4.6 out of 5 stars
47
$17.99 Chewy Price
($3.00/ea) Price per Unit
$21.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 1 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 2 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 3 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 4 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 5 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 6 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 1 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 2 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 3 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 4 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 5 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 6 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 1 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 2 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 3 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 4 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 5 of 6
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar slide 6 of 6

Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar

Rated 4.8 out of 5 stars
258
$9.99 Chewy Price
($0.46/oz) Price per Unit
$19.19 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Fluval Carbon for AC70/AC110 Aquarium Power Filter, 3 count

Rated 4.7 out of 5 stars
28
$17.00 Chewy Price
($5.67/ea) Price per Unit
$22.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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SunGrow Betta Aquarium & Koi Pond Polishing Filter Floss Media Pad for Fish Tank Cartridge, 12 ...

Rated 4.7 out of 5 stars
36
$9.91 Chewy Price
($9.91/ea) Price per Unit
$14.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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MARINEPURE Cermedia Aquarium Biofilter Media Spheres, 2-qt

Rated 4.9 out of 5 stars
8
$24.56 Chewy Price
$28.89 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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API Phos-Zorb Aquarium Canister Filter Filtration Pouch, Size 6

Rated 4.3 out of 5 stars
12
$10.92 Chewy Price
($10.92/ea) Price per Unit
$15.98 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Tetra Large Aquarium Carbon Filter, 4 count

Rated 4.8 out of 5 stars
168
$10.77 Chewy Price
($2.70/ea) Price per Unit
$14.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Cobalt Aquatics Complete Reef Superior Marine Aquarium Pollutant & Nitrate Removal, 20-oz bottl...

Rated 5 out of 5 stars
2
$16.73 Chewy Price
($0.84/oz) Price per Unit
$32.08 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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AquaClear 50 Active Carbon Insert, 3 count

Rated 4.8 out of 5 stars
104
$7.97 Chewy Price
($2.66/ea) Price per Unit
$14.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Underwater Treasures Seapora 200 Micron Round Filter Sock, 9.5-in L

Rated 4.5 out of 5 stars
8
$6.99 Chewy Price
($6.99/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Boyd Chemi-pure Elite All-In-One Chemical Filtration Media, 11.74-oz jar, Bulk 6-pack

Rated 4.6 out of 5 stars
71
$86.25 Chewy Price
($1.23/oz) Price per Unit
$108.26 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
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Penn-Plax Cascade Aquarium Bio-Sponge 700 & 1000 Filter, 1 count, Medium

Rated 5 out of 5 stars
23
$2.79 Chewy Price
($2.79/ea) Price per Unit
$14.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Rite-Size S, T & X, Fit All C-Series, Magniflow Chemical Aquarium Filtration Carbon ...

Rated 4.9 out of 5 stars
65
$8.09 Chewy Price
($4.05/ea) Price per Unit
$10.59 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval Water Polishing Pad, 3 count

Rated 4.9 out of 5 stars
32
$3.79 Chewy Price
($1.27/ea) Price per Unit
$7.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

SunGrow Activated Carbon Aquarium Filter Media Bag for Betta Fish Tank Maintenance, 10 count

Rated 4 out of 5 stars
31
$2.91 Chewy Price
($0.30/ea) Price per Unit
$9.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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MARINEPURE Cermedia Aquarium Biofilter Media Block

Rated 3 out of 5 stars
2
$51.84 Chewy Price
($51.84/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Coralife Marine PURE Water Care Bacteria Supplement, 4 pack

Rated 4.8 out of 5 stars
6
$11.95 Chewy Price
($2.99/ea) Price per Unit
$15.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Underwater Treasures Seapora Filter Floss Pad, 10 x 12-in, 2 count

Rated 4.5 out of 5 stars
39
$4.72 Chewy Price
($2.36/ea) Price per Unit
$4.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Aqueon Filter Media Foam Pad Fish Filter Media, Small

Rated 5 out of 5 stars
3
$6.87 Chewy Price
$7.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Marineland Rite-Size S, T, X, Fit All C-Series & Magniflow Biological Aquarium Filtration Bio-F...

Rated 4.6 out of 5 stars
60
$2.78 Chewy Price
($0.04/ea) Price per Unit
$12.29 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Cobalt Aquatics Regenerable, High-Capacity Organic Removing Resin, 13-oz bottle

Rated 5 out of 5 stars
1
$25.98 Chewy Price
($2.00/oz) Price per Unit
$46.82 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Boyd Chemi-pure Blue Ultimate Filter Media, 5-oz jar, Bulk 6-pack

Rated 4.8 out of 5 stars
53
$59.48 Chewy Price
($1.99/oz) Price per Unit
$75.76 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
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Penn-Plax Cascade Aquarium Filt-A-Pack, Medium

Rated 4.7 out of 5 stars
24
$15.99 Chewy Price
($15.99/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Penguin Refillable Filter Media Cartridge, Penguin 200 & 350

Rated 4.6 out of 5 stars
48
$4.99 Chewy Price
($4.99/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Fluval Pre-Filter Media, 1.7-lb

Rated 4.9 out of 5 stars
40
$6.69 Chewy Price
($3.94/lb) Price per Unit
$18.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

API Super Activated Carbon Aquarium Canister Filter Filtration Pouch, Size 6

Rated 4.3 out of 5 stars
15
$10.99 Chewy Price
($10.99/ea) Price per Unit
$13.18 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

MARINEPURE Cermedia Aquarium Biofilter Media Plate

Rated 2.2 out of 5 stars
5
$23.83 Chewy Price
($23.83/ea) Price per Unit
$28.04 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AquaClear Foam Filter Insert, Size 30, 3 count

Rated 4.8 out of 5 stars
48
$4.99 Chewy Price
($1.67/ea) Price per Unit
$5.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Underwater Treasures Seapora Carbon Pad

Rated 4.5 out of 5 stars
19
$5.99 Chewy Price
($5.99/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval Clearmax Phosphate Remove Filter Media, 3 count

Rated 4.8 out of 5 stars
50
$7.59 Chewy Price
($2.53/ea) Price per Unit
$18.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Rite-Size T, Fits C-Series, Magniflow 360 & 400 Biological & Mechanical Aquarium Fil...

Rated 4.8 out of 5 stars
36
$3.57 Chewy Price
($1.79/ea) Price per Unit
$9.79 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aqueon QuietFlow 20/75 Phosphate Remover Specialty Aquarium Filter Pad

Rated 4.4 out of 5 stars
29
$8.99 Chewy Price
($8.99/ea) Price per Unit
$12.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Boyd Chemi-Pure Green Ultimate Filter Media, 11-oz jar

Rated 4.7 out of 5 stars
25
$19.98 Chewy Price
($1.82/oz) Price per Unit
$27.62 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Penn-Plax Cascade Aquarium Bio-Floss Pads 1200 & 1500 Filter, 6 count, Medium

Rated 4.8 out of 5 stars
22
$17.99 Chewy Price
($3.00/ea) Price per Unit
$21.99 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between May 31 and Jun 3

Saltwater Filter Media

Keep your saltwater aquarium crystal clear with the right filter media. Designed to support chemical, mechanical, and biological filtration, saltwater filter media plays a key role in maintaining water clarity and a stable, healthy environment. From activated carbon to bio-rings and phosphate removers, each type of media targets specific concerns like toxins, debris, or nutrient buildup. When building your filtration system, consider these types of saltwater filter media:

  • Mechanical media: Trap debris and uneaten food to keep your tank visibly clean
  • Chemical media: Activated carbon, resins, and phosphate removers help eliminate odors, discoloration, and excess nutrients
  • Biological media: Porous materials like ceramic rings or bio balls provide surface area for beneficial bacteria

Combining multiple types of filter media helps CREATE a balanced saltwater ecosystem. By addressing different aspects of filtration, your setup stays clean, stable, and safe for fish, corals, and invertebrates.

Frequently Asked Questions about Saltwater Filter Media

What are the three types of filter media?

The three types of filter media are mechanical, chemical, and biological. Mechanical media remove particles, chemical media target impurities like toxins and phosphates, and biological media support beneficial bacteria that help break down waste.

What type of filter media is best for saltwater fish tanks?

The best filter media setup for saltwater tanks includes a combination of all three types. Using mechanical media for debris, activated carbon for toxins, and ceramic bio-media for bacterial colonies CREATEs a healthy, well-rounded filtration system.

What filter media remove phosphates from saltwater tanks?

Phosphate removers such as granular ferric oxide (GFO) or phosphate-absorbing resins are effective chemical filter media used to reduce phosphate levels, helping prevent algae growth in saltwater aquariums.

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