Marine & Freshwater

(21 results)
GloFish® Aquarium Gravel
1 size 4 colors
(126)
$4.09
$6.99
Buy any Glofish Tank, Save 20% on Glofish Accessories
Save 40% on your first Autoship order!
+ 3 more
GloFish® Special Flake Fish Food
(96)
$4.37
$4.99
Buy any Glofish Tank, Save 20% on Glofish Accessories
Save 40% on your first Autoship order!
+ 3 more
GloFish® Anemone Aquarium Ornament
3 colors
(0)
$5.59 - $10.09
Buy a Glofish Starter Kit, Save 20% on Glofish Accessories
10X points (20% back in savings) on all aquatic ornaments
Glofish LED Light 20 Gal
2 sizes
(2)
$30.79 - $43.99
Buy any Glofish Tank, Save 20% on Glofish Accessories
Buy a Glofish Starter Kit, Save 20% on Glofish Accessories
+ 2 more
GloFish® Artificial Orange & Yellow Leaf Plant
(2)
$5.99
Buy any Glofish Tank, Save 20% on Glofish Accessories
Buy a Glofish Starter Kit, Save 20% on Glofish Accessories
+ 2 more
GloFish® Artificial Green & White Leaf Plant
(2)
$5.99
Buy any Glofish Tank, Save 20% on Glofish Accessories
Buy a Glofish Starter Kit, Save 20% on Glofish Accessories
+ 2 more
GloFish® Artificial Orange & Pink Leaf Plant
(0)
$5.99
Buy any Glofish Tank, Save 20% on Glofish Accessories
Buy a Glofish Starter Kit, Save 20% on Glofish Accessories
+ 2 more
GloFish® Java Moss Plant
(0)
$2.99
$5.99
Buy any Glofish Tank, Save 20% on Glofish Accessories
Buy a Glofish Starter Kit, Save 20% on Glofish Accessories
+ 2 more
GloFish® Electric Green® Longfin Tetra
(147)
$11.99
Buy 4 Get the 5th Glofish Free
GloFish® Sunburst Orange Longfin Tetra
(103)
$11.99
Buy 4 Get the 5th Glofish Free
GloFish® Starfire Red Tiger Barb Fish
(98)
$10.99
Buy 4 Get the 5th Glofish Free
GloFish® Electric Green® Barb Fish
(52)
$10.99
Buy 4 Get the 5th Glofish Free
GloFish® Starfire Red Tetra
(156)
$10.99
Buy 4 Get the 5th Glofish Free
GloFish® Cosmic Blue Tetra
(182)
$10.99
Buy 4 Get the 5th Glofish Free
GloFish® Galactic Purple Tetra
(158)
$10.99
Buy 4 Get the 5th Glofish Free
GloFish® Sunburst Orange Tetra
(88)
$10.99
Buy 4 Get the 5th Glofish Free
GloFish® Electric Green® Tetra
(250)
$10.99
Buy 4 Get the 5th Glofish Free
GloFish® Galactic Purple Danio
(80)
$8.99
Buy 4 Get the 5th Glofish Free
GloFish® Cosmic Blue Danio
(52)
$8.99
Buy 4 Get the 5th Glofish Free
GloFish® Electric Green® Danio
(291)
$8.99
Buy 4 Get the 5th Glofish Free
GloFish® Sunburst Orange Danio
(90)
$8.99
Buy 4 Get the 5th Glofish Free
  1. 1

Explore Our Extensive Range of Fish Supplies 

At PetSmart, we offer a comprehensive selection of supplies for both freshwater and marine fish enthusiasts. Whether you're setting up a new aquarium or maintaining an existing one, our range of products ensures your aquatic pets thrive. From aquarium decor to essential maintenance tools, find everything you need to create a vibrant underwater world. 

Freshwater and Marine Fish Supplies 

Our collection includes a variety of aquarium accessories and pet fish supplies designed to cater to the unique needs of both freshwater and marine environments. Explore our selection of aquarium decor to enhance the beauty of your tank, and discover top-quality marine aquarium supplies to support the health of your aquatic life. 

Essential Aquarium Maintenance 

Maintaining a healthy aquarium requires the right tools and knowledge. Our range of aquarium maintenance products includes everything from filters to water conditioners, ensuring your tank remains a safe and clean environment for your fish. Learn how to maintain pH levels and keep your aquarium filter running efficiently with our expert tips. 

Frequently Asked Questions (FAQs) 

What maintenance does a fish tank need? 
Regular maintenance is crucial for a healthy aquarium. This includes cleaning the tank, changing the water, and checking the filter and pH levels. 
Can I put tap water in my fish tank? 
Tap water can be used in your fish tank, but it should be treated with a water conditioner to remove harmful chemicals like chlorine. 
Should an aquarium filter be on all the time? 
Yes, an aquarium filter should run continuously to maintain water quality and provide a healthy environment for your fish. 
How to maintain pH level in an aquarium? 
To maintain the pH level in your aquarium, regularly test the water and use pH adjusters as needed. Consistent water changes also help stabilize pH levels.