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Aquatic Pet Owners: Stop Invasive Species, Save Our Waterways

Read about Habitattitude and Petco's commitment to protect our environment. At Petco, animals always come first. Learn how you can help.

Updated on October 23rd, 2025

Aquatic Pet Safety: Keep Your Home Aquarium Pets Healthy & Safe

Learn how to safely handle your aquatic life to avoid toxin & bacterial exposure. Find aquatic life care supplies at your neighborhood Petco pet care center.

Updated on October 23rd, 2025

Marine Aquarium Clean Up Crew: Complete Guide

Visit Petco to learn about cleanup crews and how they can help your aquarium health.

Updated on June 19th, 2026

To Go Bucket: Aquatic Life and Cricket Guide

Updated on March 4th, 2026

Aquarium Hardscape: The Complete Setup Guide

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 July 17th, 2026

What fish tank sizes are included in Petco's $1 per Gallon Sale?

##### What are the dimensions of tanks in the $1 per Gallon Sale? [Here](https://www.petcoach.co/question/?id=411222) are the answers to some of our most frequently asked questions: - What are the dimensions of my new tank? - What kind of hood will fit my new tank? - What kinds of stands will work with my new tank? - What kind of lighting is recommended for my new tank? **Aqueon10G**, **Marineland10G** - Product Dimensions: 20 x10 x12 - Compatible HOODS: Aqueon 20" Deluxe Full Hood - Compatible STANDS: the Brooklyn 10G, Aquatic Fundamentals Silver Vein Scroll 21x11 - Compatible LIGHTING: Aqueon 20" Deluxe Full Hood **Aqueon20 High**, **Marineland20 High** - Product Dimensions: 24x12 x16 - Compatible HOODS: AGA 24"BK VERSATOP GLASS - Compatible STANDS: Newport 20G - Compatible LIGHTING: Aqueon 24" fluorescent strip light or 24" LED light fixture (online only), Fluval Ultra Bright LED Aquarium Strip Light (online only) **Aqueon20 Long**, **Marineland20 Long** - Product Dimentions: 30 x12 x12 - Compatible HOODS: AGA-30"BK VERSATOP - Compatible STANDS: Brooklyn 29G, Winston 29G - Compatible LIGHTING: Aqueon 30" fluorescent strip light or 30" LED light fixture (online only) **Aqueon29G**, **Marineland29G** - Product Dimensions: 30 x12 x18 - Compatible HOODS: 30" BK versatop glass, Aqueon 20" Deluxe Full Hood - Compatible STANDS: Brooklyn 29G, Winston 29G - Compatible LIGHTING: Aqueon 30" fluorescent strip light or 30" LED light fixture (online only) **Aqueon40B**, **Marineland40B** - Product Dimensions: 36 x18x16 - Compatible HOODS: 36X18X16 BLK VRSATOP - Compatible STANDS: Aquatic Fundamentals Upright 50G 37x19 - Compatible LIGHTING: Aqueon 36" fluorescent strip light or 36" LED light fixture (online only) **Aqueon55G**, **Marineland55G** - 48x13x20 - HOODS: 2 of the 24 inch - STANDS: Brooklyn 55G - LIGHTING: Aqueon 48" fluorescent strip light or 48" LED light fixture (online only) *in-store only (We do not ship paned glass)

Updated on September 24th, 2025

Best tropical fish for a 20-gallon tank? Can I donate fish to Petco?

Platys, Mollies, Neons, Dwarf Gouramis and Cory Cats are all excellent choices. Be sure to not overstock the tank and allow it to properly cycle before adding fish. You would need to contact the Petco in question and ask them directly. Some locations will accept fish to rehome if they have the tank space. Most local fish stores will not, due to risk of disease or parasite transmission.

Updated on September 24th, 2025

What flea, tick, heartworm meds are best for my swimming dog?

Great question! You are correct there are a lot of options out there, and there isn't a treatment that covers all of them. I will give you my opinion on the best medications for many of these things. Because Arthur spends time running in the woods, tick protection is quite important for him, so I recommend giving him NexGard. It protects against three different types of ticks as well as fleas, and because it's a chew, you don't have to worry about it washing off if he gets wet within 24 hours of giving it to him. It's safe to give along with heartworm protection, and for that I recommend giving Arthur Heartgard. It's an excellent heartworm preventative, and when I lived in the US, it's what I used on my dogs (there's no heartworm in New Zealand, so no need for me to use it now). Be sure to have him tested for heartworm first before giving him this medication. The test can be done by your vet. As for worms, I recommend Drontal. It's available by prescription only from the vet, but it kills roundworms, hookworms, whipworms, and tapeworms.

Updated on September 24th, 2025

What's wrong with my fish? White spots, raised scales, swimming low.

Thank you for using Petco Pet Education Center, formerly Petcoach! Ariel does look like she has a little bit of white on her abdomen, and potentially some raised scales. She also appears to be swimming towards the bottom of the tank, but this may just be a coincidence in the photo. The white on the abdomen can be caused by a fungal or parasitic infection, so I recommend separating this fish from the others. You may want to change the water and sanitize the tank if any other fish start to get similar symptoms. I hope this helps and am happy to answer any other questions you may have!

Updated on September 24th, 2025

Does Petco sell Mr. Ros marine phytoplankton EPA for dogs and cats?

The experts here on the forum at PetCoach do not work at Petco stores and I don't think anyone would have knowledge of inventory at local stores. I cannot find this particular product on the Petco website. It's possible that it's available at your local store and you could try giving them a call. There are a number of other fatty acid supplements listed on the Petco website that may or may not be available in your local store: https://www.petco.com/shop/SearchDisplay?searchTermScope=&searchType=12&filterTerm=&maxPrice=&top_category=&showResultsPage=true&langId=-1&beginIndex=0&advancedSearch=&sType=SimpleSearch&metaData=%5BLjava.lang.String%3B%4065f965f9&pageSize=24&manufacturer=&resultCatEntryType=2&catalogId=10051&pageView=grid&searchTerm=fatty+acid&minPrice=&urlLangId=-1&categoryId=10056&storeId=10151

Updated on September 24th, 2025