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Learn how to care for brackish water fish, recommended diet & aquarium setup. Find the right food, supplies & equipment at your neighborhood Petco.
Updated on November 13th, 2025
Small Marine Fish are favorites with marine aquarists and includes a wide range of species.
Updated on November 13th, 2025
Learn how to take care of triggerfish, recommended diet and tank setup. Find the right food, supplies and equipment at your neighborhood Petco.
Updated on November 13th, 2025
Search Petco to learn about blackwater fish aquariums. We want to help you decide what lifestyle is best for your unique fish.
Updated on November 13th, 2025
Learn how to care for a Marine eel, recommended diet & aquarium setup. Find the right food, supplies & equipment at your neighborhood Petco.
Updated on November 13th, 2025
Actually this is a good idea! I would however, make sure that the water temperature is the same as in the already running tank, so the good bacteria in the filter do not die. But , yes you can definitely do this without having to wait.
Updated on August 12th, 2025
##### 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**, **Marinela
Updated on August 12th, 2025
Water conditioning can be complicated and I recommend to stop by your local aquarium store. They are most often familiar with the local water quality and can give recommendations specific to your location. Some areas need buffering solutions to help control things like the water pH. Here are a few links which may help answer some of your questions about water condition: https://www.aqueon.com/articles/freshwater-aquarium-water-quality https://www.petcoach.co/article/aquarium-water-management-alkalinity-vs-water-hardness/ Before moving your goldfish, make sure all the conditions are appropriate for goldfish: https://www.aqueon.com/information/care-sheets/goldfish https://www.petcoach.co/article/how-to-help-your-new-goldfish-thrive/ I hope this helps and please feel free to post any additional questions.
Updated on August 12th, 2025
Thanks for reaching out about you fish. It is believed to be a Comet goldfish. Water quality and nutrition is the key to success. Testing water parameter for pH, ammonia, nitrite and nitrate will give you guidance for a healthy environment. Purchased food should be rotated out every 3 months as vitamin C and other nutrients degrade over time. Trying to maintain water temperature can be challenging with out a heater, but most fresh water fish tolerate some changes. Good luck.
Updated on August 12th, 2025
Check the water chemistry and quality first. Poor quality can predispose him to infection. Use a home test kit or submit a water sample for testing. Your local Petco may do this for free or for a small fee. If ammonia and/or nitrite levels are elevated, perform partial water changes until both read 0 ppm and nitrates are 20 ppm or less. Use only conditioned water that is temperature matched to prevent further stress or shock. Providing pristine water quality is the foundation for treatment and healing. Check the water temperature since low temps can affect appetite and activity in fish. If the water is too warm, it can also affect activity since warm water does not hold as much oxygen as cooler waters. Fast the fish for 2-3 days then feed tiny bits of cooked and shelled green peas. This will aid in defecation if there is constipation. Plain aquarium salt (not table salt or Epsom salt) can be used for most fish as a general tonic to reduce stress, improve gill function, treat minor in
Updated on August 12th, 2025