Salt Water Aquarium Care

(29 results)
Instant Ocean® Sea Salt
2 sizes
(77)
$27.99 - $77.99
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+ 2 more
Instant Ocean® Reef Crystals Aquarium Reef Salt
2 sizes
(61)
$39.99 - $99.99
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Nature's Ocean Live Nutri-Seawater
(24)
$24.99
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API® Aquarium Salt
(185)
$11.04
$12.99
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Fluval® Marine Nano LED Light w/Bluetooth
(6)
$149.99
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Fluval® Sea Mini Protein Skimmer
(10)
$74.99
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API® Reef Aquarium Water Test Kit
(0)
$45.89
$53.99
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San Francisco Bay Brand® Sally's Frozen Silversides™ Tropical Fish Food
(28)
$19.99
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API® Saltwater Aquarium Master Test Kit
(8)
$50.99
$59.99
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San Francisco Bay Brand® Sally's Frozen Spirulina Brine Shrimp™ Frozen Fish Food
2 sizes
(78)
$11.49 - $18.99
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Fritz A+ Aquarium Salt
(4)
$16.99
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+ 1 more
Fritz Aquatics Nature Box - All Natural Functional Decor
(26)
$13.99
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Seachem® Clarity™
(16)
$17.99
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API® Marine Reef Aquarium Magnesium Solution
(0)
$17.84
$20.99
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Omega One™ Garlic Marine Slow-Sinking Mini Pellets
(1)
$9.99
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Omega One™ Garlic Marine Flakes
(1)
$9.99
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Fluval® SEA Hydrometer
(0)
$14.99
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Fluval® SEA Epoxy Stick
(2)
$16.99
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Fluval® SEA CP4 Circulation Pump
(8)
$84.99
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Fluval® SEA CP3 Circulation Pump
(2)
$74.99
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Fluval® SEA CP2 Circulation Pump
(4)
$64.99
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Fluval® SEA CP1 Circulation Pump
(2)
$59.99
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+ 1 more
API® Marine Quick Start
(12)
$16.99
$19.99
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API® Marine Stress Zyme
(5)
$19.54
$22.99
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Omega™ One Super Veggie Seaweed
2 colors
(12)
$11.99 - $12.99
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API® Marine Complete Trace
(2)
$19.54
$22.99
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API® Marine Calcium
(4)
$19.54
$22.99
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Omega™ One Marine Garlic Pellets Fish Food
(16)
$16.99
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Instant Ocean® Hydrometer
(8)
$18.99
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  1. 1
Saltwater fish make great pets, but their ecosystems are different from that of freshwater fish. This means that they need different products in their aquarium to help them thrive. Pet parents can find everything they need to care for their saltwater fish at PetSmart. We carry a huge selection of saltwater aquarium care products for your aquatic friend. 
Our collection of saltwater aquarium care products includes items like:
You are bound to find what you need to care for your saltwater fish at PetSmart. Looking for something other than supplies for saltwater fish? We carry supplies for many types of aquarium fish like freshwater fish and pond fish
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.