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Water Care & Conditioners (Illustration)
Water Care & Conditioners
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  • Marine fish require stricter water quality parameters for pH, temperature & salinity
  • Add heated freshwater on a regular basis to avoid water evaporation & increased salinity
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  • Mysis shrimp are high in protein & amino acids
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    Instant Ocean® Reef Crystals Aquarium Reef Salt

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    Fluval® Marine Nano LED Light w/Bluetooth

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  • Tetra® Marine Saltwater Flakes Fish Food

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    API® Calcium Saltwater Aquarium Water Test Kit

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    Omega™ One Super Veggie Seaweed

    Old Price $7.99 - 8.99
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  • API® Marine Complete Trace

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PetSmart has saltwater aquarium supplies on sale! Help your finned friends live their best life by maintaining a clean tank. With saltwater aquarium and fish supplies on sale at PetSmart, you can create a habitat that's clean and beautiful. Pet parents can find everything they need to care for their saltwater fish at PetSmart. Shop our newest selection of saltwater aquarium supplies on sale for special savings on skimmers, saltwater liquid concentrates, seaweed, reef crystals, reef supplements and more.

 

Stock up and save on a variety of other fish care supplies, such as:

 

  • Disease Treatment
  • Feeders
  • Fish Food
  • Plant Care
  • Pond Care
  • Water Care and Conditioning
  • Water Quality Testers
  • And More!

 

Looking for other discounted fish supplies? Stop by your local PetSmart or shop online to find great deals on everything you need to care for your freshwater or saltwater 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 which items are eligible.

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4X Treats Points offer valid 6/27/2022-7/4/2022 with Treats membership online. Transaction total is prior to taxes and after discounts are applied. While supplies last. Prices & selection may vary. Must activate offer prior to purchase to receive bonus points. Must be signed in to your Treats account prior to purchase. May not be combinable with other available bonus points offers. Points will be credited to your Treats account within 24 – 72 hours of your purchase. Treats rules apply. See www.petsmart.com/treats for details.

Save 35% on your first Autoship order up to a maximum savings of $20.00 and 5% on all recurring orders. Certain products and brands are not eligible for sitewide offers or promotions and specifically excludes, select products from The Pharmacy at PetSmart, all Royal Canin and Eukanuba products, all services, gift cards, gift certificates, previous purchases and charitable donations. Must be signed in to your Treats account to receive discount. Savings will automatically reflect in shopping cart with purchase of qualifying product and enrollment in Autoship. Offer may not be combinable with other promotional offers or discounts. Treats members receive free shipping on orders over $49.00, prior to taxes & after discounts are applied. Recurring Autoship orders will be charged the online price of the date the order ships. Prices & selection may vary. While supplies last. Quantities may be limited and deliveries may be delayed.

Save $10 on your first purchase of $50 or more in Pharmacy. Offer valid with Treats membership online only at petsmart.com or on the app. Offer not valid on services, gift cards, gift certificates, previous purchases, charitable donations, and may exclude all or select items from various brands. Offer may not be combined with other promotional offers or discounts and specifically excludes any available Autoship offers. Limited to one time per customer during the offer period. Transaction total is prior to taxes & after discounts are applied. Savings will automatically reflect in the shopping cart with the purchase of qualifying merchandise. Terms and conditions of this offer are subject to change at the sole discretion of PetSmart. Offer valid through July 4th, 2022 @ 7:30 am EST.

Treats members enjoy Free Standard Shipping on orders over $49. Must be signed into your Treats account prior to purchase. Transaction total is prior to taxes & after discounts are applied. Savings will automatically reflect in shopping cart with the purchase of qualifying merchandise. Maximum value $75. Due to size and/or weight, certain items bear an additional shipping surcharge or special handling fee. Valid only on orders shipped within the contiguous 48 U.S. states, military APO/FPO addresses and select areas throughout Canada. Offer not valid on all or select products in the following categories: live pets, canned, fresh or frozen foods, select cat litters. Offer may not be combinable with other promotional offers or discounts. Terms and conditions of this offer are subject to change at the sole discretion of PetSmart. Delivery may be delayed due to acts beyond our reasonable control, which may include, but are not limited to, weather, strikes, power outages, shutdowns, local, provincial or federal governmental actions, and other similar acts. Offer valid on PetSmart.com.

Free Same-Day Delivery offer valid on select merchandise purchased at petsmart.com when choosing Same-Day Delivery. Same-day delivery is available in most areas. Order by 9am for delivery between 12pm-3pm, by 1pm for delivery between 3pm-6pm, & by 3pm for delivery between 6pm-8pm. Orders placed after 3pm will be fulfilled the next day. Delivery may be delayed due to acts beyond our reasonable control, which may include, but are not limited to, weather, strikes, power outages, shutdowns, local, provincial or federal governmental actions, and other similar acts. While delivery is contact-free, be sure to be home during your delivery window to bring any perishable items inside right away. Prices & selection may vary in stores & online. While supplies last. Quantities may be limited. See www.petsmart.com/help or store associate for more details.

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