Filter Media

(83 results)
API® Freshwater Aquarium Master Test Kit
(293)
$35.99
$39.99
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® E.M. Erythromycin Fish Bacterial Infection Treatment
(73)
$17.89
$26.49
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Stress Coat Tap Water Aquarium Conditioner
6 sizes
(357)
$2.29 - $37.58
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Aquarium Salt
3 sizes
(185)
$8.99 - $112.49
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Free Same-Day Delivery, No Order Minimum!
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API® Quick Start Aquarium Cycling Water Conditioner
3 sizes
(144)
$8.99 - $17.39
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API® Guide Fish Problem Solving General Cure
(60)
$16.39
$23.49
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+ 1 more
API® FIN & BODY CURE POWDER
(64)
$16.39
$17.99
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+ 1 more
API® Turtle Sludge Destroyer 8 Oz
(20)
$8.69
$9.19
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+ 2 more
API® Liquid Super Ick Cure
(155)
$6.99
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® ACCU Clear Aquarium Water Clairifier
2 sizes
(297)
$5.59 - $9.49
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API® Melafix Fish Bacterial Infection Treatment
(190)
$14.39
$16.99
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® 5 in 1 Aquarium Test Strips
3 sizes
(143)
$6.99 - $24.98
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API® Saltwater Aquarium Master Test Kit
(8)
$35.98
$35.99
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+ 1 more
API® Bottom Feeder Premium Shrimp Pellets Fish Food
2 sizes
(67)
$3.89 - $9.98
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Bettafix Freshwater Fish Bacterial Infection Treatment
(130)
$4.58
$4.99
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Leaf Zone Aquarium Plant Fertilizer
(62)
$8.19 - $13.49
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Free Same-Day Delivery, No Order Minimum!
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API® Amonia Test Kit
(10)
$15.49
$16.99
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Free Same-Day Delivery, No Order Minimum!
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API® Melafix Fish Bacterial Infection Treatment
(2)
$9.99
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Stress Zyme Aquarium Water Conditioner
3 sizes
(89)
$10.58 - $59.98
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Free Same-Day Delivery, No Order Minimum!
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API Algae Wafers
(10)
$3.49
$5.99
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Free Same-Day Delivery, No Order Minimum!
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API® Reef Aquarium Water Test Kit
(0)
$35.99
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API® Aqua Essential
2 sizes
(70)
$8.69 - $15.88
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Free Same-Day Delivery, No Order Minimum!
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API® Pond Algefix
2 sizes
(0)
$68.98 - $139.98
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API® Turtle Water Conditioner
(8)
$8.69
$9.19
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Spend $250 on reptile terrariums and supplies earn 25,000 points ($50 back in savings)
+ 2 more
API® Tropical Community Fish Flakes
2 sizes
(100)
$4.99 - $13.99
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Goldfish Premium Pellets Fish Food
(34)
$11.98
$11.99
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Free Same-Day Delivery, No Order Minimum!
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API® CO2 Booster Freshwater Aquarium Plant Supplement
(44)
$10.59 - $14.69
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Free Same-Day Delivery, No Order Minimum!
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API® Algaefix Aquarium Algae Control
3 sizes
(251)
$9.48 - $16.98
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API® pH Up Adjuster Freshwater Aquarium Water Conditioner
(22)
$7.09
$8.49
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Pimafix Fish Fungal Infection Treatment
2 sizes
(94)
$9.09 - $12.09
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Free Same-Day Delivery, No Order Minimum!
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API® Tap Water Conditioner Super Strength Aquarium Dechlorinator
3 sizes
(40)
$4.79 - $48.29
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API® Root Tabs Aquarium Plant Fertilizer- 10 count
(4)
$9.99
Save 35% On Your First Autoship Order!
API® Pimafix Fish Fungal Infection Treatment
(0)
$8.49
$9.99
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Pond Algaefix Algae Control 64 Oz
(0)
$41.99
$58.99
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API Tropical Flake
(4)
$3.99
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+ 1 more
API Chlorine & Heavy Metal Neutralizer Pond water Conditioner
(0)
$27.69
$33.99
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+ 1 more
API Pond Aqua Essential
(0)
$16.99
$23.99
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API® Accu-Clear Clarifier Pond Water Conditioner
4 sizes
(2)
$13.49 - $65.98
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+ 1 more
API Bottom Feeder Premium Squid Pellets
(6)
$5.99
$9.99
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Free Same-Day Delivery, No Order Minimum!
+ 1 more
API Stress Zyme Water Conditioner
(12)
$5.89
$6.49
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Free Same-Day Delivery, No Order Minimum!
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Keeping your fish tank clean is a vital part of supporting the health and wellbeing of your fish. That means making sure that your tank’s filter is functioning properly. Shop PetSmart’s selection of fish tank filter media to find the best fit for your tank or aquarium. At PetSmart, you’ll find a wide variety of filter media for aquariums of every size, as well as the filter cartridges, foam pads, bulk media, filter bags, pre-filter accessories and other parts you need to keep their aquarium clean and healthy.
Looking for something other than fish tank filter media or filter cartridges? At PetSmart, we make sure it’s easy for you to find all the best aquarium filters and pump supplies for your fish tank or aquarium, including:
While you’re here, shop our collection of the best fish supplies like fish foodfeeders and more for your fishy friends!
PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see what items are eligible.