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  • Top Fin® Pre-Conditioned Aquarium Water

    Old Price $ 16.99

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  • Nutrafin® Betta Plus Tap Water Conditioner for Bettas

    Discounted Price $ 4.24 Old Price $ 4.99

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  • Nutrafin® Betta Starter Kit

    Old Price $ 15.99

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  • API® pH Down Adjuster Freshwater Aquarium Water Conditoner

    Old Price $ 8.99

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  • Aqueon® Betta Bowl Plus Aquarium Water Conditioner

    Old Price $ 8.99

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    Nutrafin® Cycle® Biological Aquarium Supplement

    Discounted Price $ 8.49 - 44.59 Old Price $ 9.99 - 52.47

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  • Nutrafin® Bio-Clear Biological Water Clarifier

    Discounted Price $ 6.79 Old Price $ 7.99

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    API® Aqua Essential

    Old Price $ 14.99 - 21.99

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  • Aqueon® Pure Bacteria Supplement

    Old Price $ 13.99

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    Sign In & Enjoy Free Shipping On Orders $49+ | Free Same Day Delivery or Pick up Curbside

  • Top Fin® pH Increase Aquarium Water Conditioner

    Old Price $ 7.99

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  • Fluval Aquarium Salt

    Discounted Price $ 4.24 Old Price $ 4.99

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  • Tetra® WaterClarifier Aquarium Water Clarifier

    Old Price $ 9.99

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  • API® Stress Zyme

    Old Price $ 3.99

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  • Fluval® Biological Aquarium Cleaner

    Old Price $ 19.99

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  • Thrive Turtle Water Cleaner

    Old Price $ 9.99

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  • 2 Sizes

    Tetra® SafeStart Aquarium Cycling Water Conditioner

    Old Price $ 19.99 - 31.99

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  • API® Ammo Lock Ammonia Remover Aquarium Water Conditioner

    Old Price $ 9.99

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  • 2 Sizes

    Top Fin® Instant Ammonia Aquarium Neutralizer

    Old Price $ 7.99 - 10.49

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  • 2 Sizes

    Top Fin® Aquarium Biological Cleaner

    Old Price $ 6.99 - 15.99

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  • API® Pond & Waterfall Cleaner

    Old Price $ 29.99

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  • Thrive Turtle Water Cleaner

    Old Price $ 9.99

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  • 3 Sizes

    Top Fin® Aquarium Water Conditioner

    Old Price $ 6.49 - 13.99

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  • API® Aquarium Salt

    Old Price $ 10.99

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  • Tetra® EasyBalance Nitraban Aquarium Water Treatment

    Old Price $ 18.99

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  • 4 Sizes

    Nutrafin® Aqua Plus Tap Water Conditioner

    Discounted Price $ 5.51 - 25.55 Old Price $ 6.49 - 30.07

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  • biOrb® Water Optimiser Aquarium Kit

    Old Price $ 44.99

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  • GloFish® Water Conditioner

    Old Price $ 6.99

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  • 2 Sizes

    Fluval® Biological Aquarium Enhancer

    Old Price $ 12.99 - 19.99

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  • Aqueon Pure Bacteria Supplement - 30G

    Old Price $ 29.99

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  • 3 Sizes

    Nutrafin® Waste Control Biological Aquarium Cleaner

    Discounted Price $ 5.92 - 25.49 Old Price $ 6.97 - 29.99

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  • 3 Sizes

    Seachem® Prime® Aquarium Water Conditioner

    Old Price $ 5.99 - 14.99

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  • API® Betta Aquarium Water Conditioner

    Old Price $ 6.99

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  • 3 Sizes

    Fluval® Aquarium Water Conditioner

    Old Price $ 7.99 - 18.99

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    Sign In & Enjoy Free Shipping On Orders $49+ | Free Same Day Delivery or Pick up Curbside

  • API® pH Up Adjuster Freshwater Aquarium Water Conditioner

    Old Price $ 8.99

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    Sign In & Enjoy Free Shipping On Orders $49+ | Free Same Day Delivery or Pick up Curbside

  • API® Ammo Lock

    Old Price $ 14.99

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    Sign In & Enjoy Free Shipping On Orders $49+ | Free Same Day Delivery or Pick up Curbside

  • Nutrafin® Clear Fast Particulate Water Clarifier

    Discounted Price $ 6.79 Old Price $ 7.99

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Aquarium Water Care

Water is the key ingredient in any fish tank. The first step in taking care of your aquarium, and giving your fish a home that's clean, safe and healthy, is to make sure their water is at optimum levels. With aquarium water care products available at PetSmart, you can do just that. Whether you have a freshwater or marine environment, our collection of water conditioners and pre-conditioned water, clarifiers, dechlorinators, algae control, beneficial bacteria, aquarium salt and wide range of water supplements can and help you create place where your fish can thrive. Whether you choose to condition and dechlorinate tap water or prefer already conditioned aquarium water, we have what you need. If you need to quickly cycle your tank for new inhabitants, choose a product with beneficial bacteria included so that you can start turning the tank into a bioactive environment for fish, plants and invertebrates. Cloudy aquarium water can be adjusted with a water change, new filter media, a UV sterilizer or water clarifiers to help get rid of suspended particles and dissolved wastes in the water.
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Offer valid online only with Treats™ membership. Save $5 on your purchase of any Hill's Science Diet 12 pack cans or a single bag dry food of $22 or more. Qualifying products must be purchased in same transaction to receive discount. Members must sign in to Treats™ and enter promo code STEPAHEAD at checkout for savings to reflect in shopping cart with qualifying purchases. While supplies last. Offer not valid in stores. Offer cannot be combined with other promotional offers or discounts and specifically excludes any available Autoship offers. Terms and conditions of this offer are subject to change at the sole discretion of PetSmart. Offer valid online on PetSmart.ca through September 20, 2021 @ 6:30 am EST

Sign up for Autoship and have products conveniently delivered to you at the frequency you choose! Autoship now available in select areas only; eligibility for Autoship is determined once ship-to postal code is entered. Enroll today and enjoy up to 15% savings on select items on your initial autoship order and up to 5% on all recurring orders. Treats membership is required to receive discount. Must be signed into your Treats account prior to purchase. Maximum savings is $30.00. Savings will automatically reflect in cart on qualifying item upon enrollment in Autoship. Treats members receive free shipping on orders over $49.00, prior to taxes & after discounts are applied. Offer not valid on select merchandise, gift cards, gift certificates, previous purchases or charitable donations and select products on petsmart.ca. Offer may not be combinable with other promotional offers or discounts. While supplies last. Quantities may be limited. Deliveries may be delayed. Terms and conditions of this offer are subject to change at the sole discretion of PetSmart. Click here for more details. Offer valid on petsmart.ca through October 4, 2021 @ 6:30 a.m. EST.

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