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Discover the fish tank filter system that’s right for your aquarium. Learn about mechanical, chemical, and biological filtration at Petco.
Updated on November 13th, 2025
Tanks with live plants can be excellent additions to your home, bringing a touch of nature indoors. Learn how to take care of aquatic plants.
Updated on November 13th, 2025
Discover how to hardscape your aquarium here at Petco. Visit Petco and check out aquarium hardscape ideas, solutions and much more for your fish.
Updated on November 13th, 2025
Learn how to care for a Tetra, recommended diet & habitat setup. Find the right food, supplies & equipment at your neighborhood Petco.
Updated on November 13th, 2025
Learn how to care for angelfish, recommended diet and aquarium setup. Find the right food, supplies and equipment at your neighborhood Petco.
Updated on November 13th, 2025
The small size will limit the species of fish as well as the number. White Cloud Minnows or Guppies would do fine in a small tank. You could keep no more than 2 or 3 fish total. If you are looking for company for your Betta, the same species can be kept. Other options include Otocinclus (Otos), Corys, Platys or Harlequin Rasboras. Again, no more than one or two in addition to the Betta. Water changes for any tank are simple. Change no more than 30% total volume at a time. Use a water conditioner to remove harmful chemicals and make sure the water is temperature matched to prevent stress or shock. Rinse the filter in tank water, not tap water, to preserve beneficial bacteria. Vacuum the substrate every couple of weeks.
Updated on August 12th, 2025
Most of the compatible fish are schooling fish that do best in groups of 4-8. This would include Neon Tetras, Ember Tetras, Harlequin Rasboras or White Cloud Minnows. That many fish may be too much for a 3 gallon tank. Other non-fish option include Ghost Shrimp, Zebra Snails or African Dwarf Frogs.
Updated on August 12th, 2025
Gold fish can make great fish but they can live up to 25 years and require a large tank that may need to be upgraded if they grow too large. Do get at least 2 fish. Here are some links which may help: https://www.petcoach.co/article/chewing-in-puppies-how-to-control-it/ https://www.aqueon.com/information/care-sheets/goldfish https://www.hartz.com/how-to-introduce-new-fish-into-your-aquarium-tank/ I hope this helps and congrats on your new pets!
Updated on August 12th, 2025
Our Standard Aquarium Plant Pack provides a convenient solution for your dilemma. This package includes Micro Sword or Dwarf Hairgrass, Anubias Nana or Anubias Barteri Round Leaf, Java Fern, Red Cryptocoryne or Green Cryptocoryne, Water Sprite, Hornwort, and Cabomba. http://www.liveaquaria.com/product/prod_display.cfm?c=768+2145+2146&pcatid=2146 A substrate specifically designed for live aquarium plants such as CaribSea Eco-Complete Plant Substrate is recommended for long-term success. http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=9087 Be sure to provide proper lighting conditions by employing aquarium light fixtures specifically designed for planted aquarium use.
Updated on August 12th, 2025
Check the water quality again use a liquid home test kit or submit a water sample for testing. The local Petco may do this for free or for a small fee Aim for an absence (0 ppm) of ammonia AND nitrites. Nitrates can be 20 ppm or less. Perform another partial water change, no more than 30% total volume, at a time. Use only conditioned water that is temperature matched to prevent stress or shock. Goldfish are cold water fish and do best between 65 F and 72 F. Additionally, a 10 gallon tank may be insufficient for 2 goldfish and a Black Moor. Goldfish produce a larger than average bio-load (waste) which can quickly overwhelm a small tank and after. Ideally, provide 20 gallons for one goldfish and an extra 10 gallons per fish. The filter should be rated for at least twice the volume of the tank. Even with a string filter, partial water changes and regular cleaning/vacuuming will be needed to maintain water quality.
Updated on August 12th, 2025