Saltwater Aquarium Supplies

Sort
Filter

Spectrastone Ocean Beach Premium Aquarium Gravel, 5-lb bag

Rated 5 out of 5 stars
4
$7.99 Chewy Price
Autoship Price

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

Tetra Glass Aquarium, 20-gal

Rated 4.7 out of 5 stars
20
$99.99 Chewy Price
($5.00/gl) Price per Unit
Autoship Price

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

Penn-Plax Glow Fish Plant, Green, 6 count

Rated 3.6 out of 5 stars
5
$15.99 Chewy Price
$16.99 List Price
Autoship Price

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

Tetra Whisper Aquarium Power Filter, 5-10 gal

Rated 3.2 out of 5 stars
135
$19.47 Chewy Price
$24.39 List Price
Autoship Price

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

GloFish Aquarium Kit, 5-gal

Rated 4 out of 5 stars
14
$87.97 Chewy Price
($17.60/gl) Price per Unit
$97.29 List Price
Autoship Price

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

SunSun HW-602B Aquarium Canister Filter, 20-gal

Rated 3.5 out of 5 stars
21
$50.29 Chewy Price
($2.52/gl) Price per Unit
Autoship Price

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

Marineland Magniflow 220 Canister Freshwater & Saltwater Aquarium Filter, Up to 55-gal

Rated 3.4 out of 5 stars
58
$155.57 Chewy Price
$227.39 List Price
Autoship Price

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

Underwater Treasures Paradise Fern Fish Plant, Lilac

Rated 5 out of 5 stars
3
$14.97 Chewy Price
Autoship Price

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

Aqueon Ammonia Aquarium Test Strips, 50 count

Rated 4.5 out of 5 stars
11
$13.19 Chewy Price
($0.27/ea) Price per Unit
$17.99 List Price
Autoship Price

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

Fluval C4 Poly/Foam Pad Filter Media, 3 count

Rated 4.7 out of 5 stars
23
$13.52 Chewy Price
($4.51/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

Eheim Pro 4+ 350 Aquarium Canister Filter

Rated 3.9 out of 5 stars
18
$299.95 Chewy Price
$329.95 List Price
Autoship Price

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

Penn-Plax Double-Sided Aquarium Fish Background, Tropical Blue/Shalescape

Rated 4.8 out of 5 stars
9
$26.99 Chewy Price
$38.99 List Price
Autoship Price

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

Zoo Med 6,500K Ultra Sun T5-HO Fluorescent Aquarium Bulb, 22-in, 24-watt

Rated 5 out of 5 stars
7
$13.99 Chewy Price
($13.99/ea) Price per Unit
$20.99 List Price
Autoship Price

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

Aqueon Aquatic Flat Heater, 15-watt

Rated 3.7 out of 5 stars
55
$17.45 Chewy Price
$20.99 List Price
Autoship Price

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

Underwater Treasures Creeping Jenny

Rated 3 out of 5 stars
5
$6.11 Chewy Price
Autoship Price

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

Cobalt Aquatics Regenerable, High-Capacity Organic Removing Resin, 21-oz bottle

Rated 5 out of 5 stars
1
$38.26 Chewy Price
($1.83/oz) Price per Unit
$76.53 List Price
Autoship Price

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

GloFish Color Changing Cycle LED Light, 5-gal

Rated 3.7 out of 5 stars
18
$37.59 Chewy Price
Autoship Price

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

Spectrastone Premium Aquarium Gravel, 5-lb bag, White

Rated 4.5 out of 5 stars
40
$7.82 Chewy Price
Autoship Price

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

Zoo Med Betta Clean Aquarium Filter

Rated 3.8 out of 5 stars
9
$18.93 Chewy Price
$24.99 List Price
Autoship Price

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

biOrb Fan Coral Aquarium Ornament, White, Large

Rated 4.4 out of 5 stars
5
$73.68 Chewy Price
$89.99 List Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 12 and Apr 17

Boyd Chemi-Pure Grande Filter Media, 40-oz bottle

Rated 5 out of 5 stars
4
$44.47 Chewy Price
($1.12/oz) Price per Unit
$60.12 List Price
Autoship Price

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

Penn-Plax Deco-Replicas Bonsai Tree on Rocks Fish Ornament

$31.39 Chewy Price
$57.99 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 12 and Apr 15

biOrb CLASSIC LED Aquarium Replacement Light, Gray, 4-gal

$33.20 Chewy Price
($8.30/gl) Price per Unit
$50.99 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 12 and Apr 17

Zoo Med Can O' Cyclops Food, 3.2-oz can

Rated 4.6 out of 5 stars
5
$5.99 Chewy Price
($1.88/oz) Price per Unit
$6.99 List Price
Autoship Price

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

CaribSea LifeRock Frag Garden 3 Hole Saltwater Aquarium Rock, Natural

Rated 5 out of 5 stars
2
$19.24 Chewy Price
$21.16 List Price
Autoship Price

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

Lee's Aquarium & Pets Round Under Gravel Aquarium Bowl Filter, Small

Rated 3.8 out of 5 stars
8
$10.99 Chewy Price
Autoship Price

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

Penn-Plax Wizard Algae Scraper Fish Clean Remover, Black

Rated 3.6 out of 5 stars
9
$13.99 Chewy Price
$14.99 List Price
Autoship Price

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

Tetra Pond Filtration Fountain Kit with Flat Box Filter, 100-gal

Rated 3.8 out of 5 stars
88
$54.99 Chewy Price
($0.55/gl) Price per Unit
$96.19 List Price
Autoship Price

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

Marineland Penguin Pro Aquarium Filter, 375

Rated 4.3 out of 5 stars
30
$64.87 Chewy Price
$71.79 List Price
Autoship Price

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

Microbe-Lift Artemiss Salt & Freshwater Water Treatment, 16-oz bottle

Rated 4.4 out of 5 stars
16
$16.99 Chewy Price
($1.07/oz) Price per Unit
$20.99 List Price
Autoship Price

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

Stoney River Caribbean Beach Premium Aquarium Sand, 5-lb bag

Rated 3.5 out of 5 stars
6
$7.99 Chewy Price
Autoship Price

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

Eheim 2180 Pro 3 Fish Aquarium Thermofilter

Rated 5 out of 5 stars
1
$810.77 Chewy Price
$879.95 List Price
Autoship Price

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

Ecoscape Reef Mix D Aquarium Rock, 8 count

$329.99 Chewy Price
$379.49 List Price
Autoship Price

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

Underwater Treasures Foregrounder Green Flower Fish Ornament

Rated 5 out of 5 stars
2
$3.36 Chewy Price
Autoship Price

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

TeraPump Aquarium Gravel & Sand BPA-Free Cleaner

Rated 3.5 out of 5 stars
26
$15.99 Chewy Price
Autoship Price

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

Hydor Prime External Aquarium & Terrarium Filter, Black, 50 to120-gal tank

Rated 2 out of 5 stars
2
$184.99 Chewy Price
Autoship Price

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

Category

Food

Aquariums & Tanks

Substrate

Filters & Media

Decor

Water Treatment

Tank Cleaner

Pumps & Airstones

Heaters & Thermometers

Lighting

Water Test Kits

Save 5% on repeat deliveries

Fish Type

Aquarium Type

Brand

7 Brands are shown below

Deals & Savings

Price

Customer Rating