Vitamins & Electrolytes

(552 results)
Top Fin® Essentials Aquarium Starter Kit
8 sizes
(4179)
$55.99 - $191.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon
(417)
$43.99
$54.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Large Power Filter Cartridges
(275)
$17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Pre-Conditioned Aquarium Water
2 sizes
(218)
$13.99 - $14.99
Buy 1 Get the 2nd 25% Off Top Fin Food & Watercare (excludes Pond)
Save 40% on your first Autoship order!
+ 2 more
Top Fin® Java Fern Live Plant
(38)
$4.49
$6.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Bow Front Aquarium Starter Kit -  36 Gallon
(461)
$155.99
$194.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Silenstream™ Small Filter Cartridges
(63)
$14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 40% on your first Autoship order!
+ 3 more
Top Fin® Fascinate Column Starter Kit
(302)
$71.99
$89.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes
(227)
$8.99 - $17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes
(188)
$16.99 - $58.99
Buy any open glass tank, Get 20% off a glass hood
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Element EF-S Filter Cartridges
3 sizes
(365)
$8.99 - $17.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Split Bowfront Aquarium - 5 Gallon
(754)
$49.99
$59.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1485)
$12.99 - $49.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Compact Aquarium Heater
3 sizes
(469)
$14.59 - $33.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Premium Aquarium Gravel - Classic Beach
(64)
$7.99
3X points (6% back in savings) on all aquatic gravel
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(45)
$7.99 - $25.99
3X points (6% back in savings) on all aquatic gravel
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Silenstream Filter Cartridge - 3pk
(111)
$8.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 40% on your first Autoship order!
+ 3 more
Top Fin® Aquarium Airline Tubing
2 sizes
(96)
$4.99 - $7.69
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium Sponge Filter
3 sizes
(202)
$9.99 - $19.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium Water Conditioner
3 sizes
(239)
$4.19 - $9.99
Buy 1 Get the 2nd 25% Off Top Fin Food & Watercare (excludes Pond)
Save 40% on your first Autoship order!
+ 3 more
Top Fin® Floating Glass Aquarium Thermometer
(238)
$3.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Anubias Frazeri Live Plant
(43)
$4.49
$6.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Anubias
3 sizes
(236)
$4.49 - $10.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Amazon Sword Live Plant
3 sizes 1 color
(165)
$4.49 - $10.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Fine Mesh Fish Net
(108)
$1.27
$2.49
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Captivate Starter Kit
(414)
$107.99
$134.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Silenstream™ Large Filter Cartridges
(135)
$14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 40% on your first Autoship order!
+ 3 more
Top Fin® Aquarium Stand - 55 to 75 Gallon
(266)
$254.99
$299.99
Sign In & Enjoy Free Shipping Over $49
Top Fin® Internal Filter Cartridges
(30)
$7.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 40% on your first Autoship order!
+ 3 more
Top Fin® CN-S Corner Filter Cartridges
2 sizes
(48)
$8.99 - $14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 40% on your first Autoship order!
+ 3 more
Top Fin® Aquarium Stand - 55 to 75 Gallon
(141)
$254.99
$299.99
Sign In & Enjoy Free Shipping Over $49
Top Fin® 10 Gallon Angled Aquarium
(139)
$89.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® 5 Gallon Shrimp & Plant Aquarium
(89)
$69.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Retreat™ RF-L Filter Cartridges
(107)
$14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 40% on your first Autoship order!
+ 3 more
Top Fin® Half Moon Aquarium - 3.5 Gallon
(2066)
$39.99
$44.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Premium Glass Aquarium - 5 Gallon
(1566)
$69.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Aquarium Gravel - Midnight Black
2 sizes
(2)
$7.99 - $25.99
3X points (6% back in savings) on all aquatic gravel
Sign In & Enjoy Free Shipping Over $49
Top Fin® Greenery Driftwood Aquarium Ornament
(148)
$49.99
Buy 2 Get the 3rd Free Aquatic Ornaments (excludes Glofish)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Stand - 20 to 37 Gallon
(139)
$152.99
$179.99
Sign In & Enjoy Free Shipping Over $49
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Pet parents on the search to fill a prescription for Prescription Vitamins and electrolytes for cats can find exactly what they need at The Pharmacy at PetSmart.
PetSmart customers can place prescription orders through The Pharmacy website, as long as they are active prescriptions that have been prescribed by a vet in the last 12 months.
Prescriptions from a licensed veterinarian are required to purchase cat electrolyte medication from The Pharmacy at PetSmart. Need to find a vet? We have you covered.
After you order your cat’s prescription vitamins and electrolytes for cats, shop for every other cat product that PetSmart has to offer. We carry cat water fountainsautomatic cat feedersvet-recommended cat food dietscat beds, and more. 
Looking for something other than prescription vitamins and electrolytes for cats? 

Browse our wide selection of cat supplies to help your feline friend live their best life. From cat food and treats to cat bedstoys and cat litter, PetSmart has all your four-legged best friend’s favorites.