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The Petco Freshwater Aquarium Guide

We’ll help you navigate the exciting journey into pet parenthood with helpful tips, expert guidance and shopping recommendations for all your milestones together.

PETCO
TIP

Save 15% on supplies and nutrition for your freshwater fish—including aquariums, food, décor and more—with Vital  Care Premier.

1. Choosing the right Aquarium

After adding water, substrate and décor, set the heater and wait 24–48 hours before introducing fish to ensure the temperature is stable and water is clear.

1. Choosing the right Aquarium

After adding water, substrate and décor, set the heater and wait 24–48 hours before introducing fish to ensure the temperature is stable and water is clear.

Aquariums

Aquariums

Having the right-sized habitat helps keep them healthy and relaxed while preventing aggression and stress.

Lighting & Hoods

Lighting & Hoods

Enhance the colors of your aquatic life while helping live plants grow with a variety of options that match any habitat.

Aquarium Kits

Aquarium Kits

A cost-effective way to bundle a range of essentials that help you set up their home.

2. SETTING UP YOUR FRESHWATER aquarium

Bring home essentials to help them feel safe and comfortable while supporting their natural instincts.

Substrates

Aquarium substrate is needed as a base and can help keep live plants and other décor in place while helping beneficial bacteria to grow.

Plants

Not only can plants add visual interest, but they can also provide a shelter to help your aquatic life feel safe and secure.

Décor

Add personal touches to their home while also providing territorial boundaries and hideaway places for when they need to rest or de-stress.

Thermometers

Used for monitoring water temperature daily to help ensure fluctuations do not harm the health of aquatic life.

3. Filtration and water care

Proper filtration and temperature are crucial to maintaining aquatic life health, paired with additives and conditioners that help promote stable water quality.

Heaters

Heaters help maintain stable water temperature and are essential for healthy metabolic rate and immunity.

Filters & Media

Help meet the biological, chemical and mechanical filtration requirements needed for stable water quality.

Air Pumps & Accessories

By circulating water, air pumps increase dissolved oxygen while adding extra dimension when paired with bubble wands or action décor.

Water Conditioners & Additives

A variety of conditioners and additives help neutralize toxic chemicals in tap water, stabilize pH, add electrolytes and stimulate slime coats.

4. Finding the right nutrition

Set a strong foundation for their health with quality nutrition.

4. Finding the right nutrition

Set a strong foundation for their health with quality nutrition.

Pellets, Flakes & Freeze-Dried Food

Packed with the necessary blend of minerals and vitamins to help promote a healthy immune system.

Fresh & Frozen Food

Fresh and frozen food are a natural option and more appetizing for some aquatic life.

Plant Food

Live plants need nutrition, too, and plant food has essential minerals to help them thrive.

5. SUPPORTING A ROUTINE

Follow these tips to help them stay happy and healthy.

6. SPECIES-SPECIFIC CARE SHEETS

Discover tips and essentials that help support every aspect of their health.

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