Deals on fish & aquariums

Build your most beautiful underwater ecosystem yet

Marine & Freshwater

(89 results)
Majestic Pet Personalized Suede Bagel Cat & Dog Bed
4 sizes 7 colors
(0)
$78.99 - $132.99
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Majestic Pet Personalized Velvet Sherpa Bagel Cat & Dog Bed
4 sizes 4 colors
(0)
$84.99 - $133.00
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Majestic Pet Personalized Velvet Bagel Cat & Dog Bed
4 sizes 4 colors
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$84.99 - $132.99
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Majestic Pet Personalized Villa Dog Crate Mat
5 sizes 10 colors
(4)
$39.79 - $63.99
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Majestic Pet Personalized Villa Super Value Pillow Dog Bed
2 sizes 10 colors
(0)
$54.99 - $74.29
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Majestic Pet Personalized Trellis Super Value Pillow Dog Bed
2 sizes 4 colors
(0)
$59.89 - $69.99
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Majestic Pet Personalized Links Super Value Pillow Dog Bed
2 sizes 9 colors
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$55.39 - $77.19
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Majestic Pet Personalized Fusion Super Value Pillow Dog Bed
2 sizes 5 colors
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$62.99 - $79.99
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Majestic Pet Personalized Charlie Super Value Pillow Dog Bed
2 sizes 4 colors
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$51.99 - $71.59
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Majestic Pet Personalized Aruba Super Value Pillow Dog Bed
2 sizes 4 colors
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$54.99 - $71.99
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Majestic Pet Personalized Bagel Dog Bed
4 sizes 7 colors
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$66.99 - $139.99
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Majestic Pet Personalized Checkered Sherpa Bagel Cat & Dog Bed
4 sizes 5 colors
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$80.69 - $135.99
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Majestic Pet Personalized Checkered Bagel Cat & Dog Bed
4 sizes 5 colors
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$84.99 - $132.99
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Majestic Pet Personalized Sherpa Pillow Dog Bed w/Removable Cover
3 sizes 6 colors
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$74.99 - $109.99
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Majestic Pet 4 Step Links Pet Stairs
1 size 6 colors
(22)
$59.99 - $66.59
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Majestic Pet Villa Collection Burrow Pet Bed
6 colors
(4)
$24.59 - $34.79
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Majestic Pet Wales Collection Burrow Pet Bed
2 colors
(6)
$23.59 - $34.79
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Majestic Pet Villa Collection Canopy Pet Bed
7 colors
(12)
$31.09 - $46.99
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Majestic Pet 4 Step Villa Pet Stairs
1 size 5 colors
(5)
$59.79 - $81.99
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Majestic Pet 3 Step Towers Pet Stairs
1 size 3 colors
(0)
$54.09
$54.99
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Majestic Pet 3 Step Links Pet Stairs
1 size 6 colors
(3)
$54.09 - $54.99
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Majestic Pet 3 Step Villa Pet Stairs
1 size 5 colors
(14)
$46.99 - $60.99
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Majestic Pet Wales Collection Canopy Pet Bed
2 colors
(0)
$44.49 - $46.99
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Majestic Pet 4 Step Towers Pet Stairs
1 size 3 colors
(0)
$66.59 - $74.39
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Majestic Pet Chevron Sherpa Bagel Indoor & Outdoor Dog Bed
4 sizes 6 colors
(4)
$34.49 - $110.99
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Majestic Pet Villa Micro-Velvet Bagel Dog Bed
4 sizes 10 colors
(20)
$38.49 - $103.59
Save 35% On Your First Autoship Order!
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Majestic Pet Villa Collection Round Dog Bed
3 sizes 10 colors
(0)
$42.19 - $97.99
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Majestic Pet Villa Collection Rectangle Dog Bed
3 sizes 10 colors
(10)
$47.19 - $119.99
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Majestic Pet Towers Rectangle Indoor & Outdoor Dog Bed
3 sizes 4 colors
(0)
$46.49 - $103.59
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Majestic Pet Navajo Rectangle Indoor & Outdoor Dog Bed
3 sizes 2 colors
(2)
$70.99 - $103.59
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Majestic Pet Trellis Rectangle Indoor & Outdoor Dog Bed
3 sizes 4 colors
(2)
$60.79 - $98.19
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Majestic Pet Chevron Rectangle Indoor & Outdoor Dog Bed
3 sizes 2 colors
(16)
$64.99 - $103.59
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Majestic Pet Chevron Round Indoor & Outdoor Dog Bed
3 sizes 2 colors
(0)
$51.89 - $88.79
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Majestic Pet Links Rectangle Indoor & Outdoor Dog Bed
3 sizes 1 color
(2)
$49.69 - $87.79
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Majestic Pet Towers Round Indoor & Outdoor Dog Bed
3 sizes 4 colors
(0)
$53.49 - $86.49
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Majestic Pet Aruba Rectangle Indoor & Outdoor Dog Bed
3 sizes 4 colors
(10)
$56.69 - $98.89
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Majestic Pet Seahorse Rectangle Dog Bed
3 sizes 2 colors
(2)
$68.29 - $103.59
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Majestic Pet Seahorse Round Indoor & Outdoor Dog Bed
3 sizes 2 colors
(0)
$59.79 - $139.09
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Majestic Pet Links Round Indoor & Outdoor Dog Bed
3 sizes 1 color
(0)
$52.09 - $57.99
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Majestic Pet Trellis Round Indoor & Outdoor Dog Bed
3 sizes 4 colors
(0)
$41.49 - $96.19
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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.