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Related Articles & Questions

New Pet
Mastering Soft Coral Care: Setup, Feeding, & Water for a Healthy Reef
Learn how to care for soft coral, recommended care & habitat setup. Find the right food, supplies & equipment at your neighborhood Petco.
Updated on November 13th, 2025
New Pet
Your First Saltwater Tank: Easy & Hardy Fish for Stress-Free Setup
Many types of saltwater fish are identified as having easier requirements for keeping in the home aquarium or recommended for the beginner saltwater hobbyist.
Updated on November 13th, 2025
New Pet
Hard Coral Care: Setup, Feeding, & Compatibility for Your Reef Tank
Learn how to care for hard coral, recommended diet and aquarium setup. Find the right food, supplies and equipment at your neighborhood Petco.
Updated on November 13th, 2025
Home & Habitat
Freshwater Aquarium Salt: Benefits & Safe Use for Thriving Fish
Learn how to use aquarium salt in freshwater aquariums to promote healthy gill functions, reduce stress, and treat infections in fish.
Updated on November 13th, 2025
New Pet
Mastering Koi Care: Optimal Tank, Food, Water Quality & Health Tips
Learn how to care for a Koi, recommended diet and aquarium setup. Find Koi for sale, supplies and equipment at your neighborhood Petco.
Updated on November 13th, 2025
Health & Wellbeing
Two of our freshwater fish are acting oddly in the water. We did lose a few last night, due to an ammonia spike. We noticed some pale-colored, wormlike flesh dropping from the front area (between the mouth and front fins); this black Guppy is “wobb
Monitor water chemistry using a 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 with nitrates at 20ppm or less. Perform partial water changes to stabilize chemistry and/or to improve water quality. Use only conditioned water that is temperature matched to prevent stress or shock. Pristine water quality is the foundation for healing and recovery from infection or injury in fish. You can use plain aquarium salt (NOT table or Epsom salt) as a general tonic to reduce stress, improve gill function and aid in recovery. Dissolve 1 teaspoon of salt per gallon of water in a cup or two of water and gently pour it into the tank. Treat for 14 days then reassess the condition. An "all in one" product, such as Lifeguard (by Tetra), can be used concurrently to treat infection or parasites. Find one in the aquarium section of the local Petco. Follow label directions carefully and remove
Updated on August 12th, 2025
Health & Wellbeing
I went on vacation and put a vacation feeder in the tank when I came home his tank was a sandy color. After cleaning his tank complete I put him back in and after that he hasn't been the same going on a week with out eating. What did I do wrong? Now
Check the water chemistry. Confirm ammonia and nitrite levels are 0.25ppm or less and nitrates are 40ppm or less. Use a liquid test kit or submit a sample for testing. Most pet stores or aquarists will do this for free or for a small fee. Partial water changes, about 30% can be done to decrease high levels. Use only aged or conditioned water that is temperature matched to prevent further stress or shock. My preferences for water conditioning are AmQuel Plus and NovAqua in addition to StressCoat. Confirm water temperature between 78F and 80F. You can soak pellets in some garlic juice to stimulate his appetite.
Updated on August 12th, 2025
Health & Wellbeing
How to keep salt water as a pet?
Salt water aquarium requires a great deal of regular maintenance to keep the fish alive. This can be helped by adding live rock (similar to live coral) to the aquarium. Below is a link to some great information for maintaining a salt water. aquarium.http://www.madhattersreef.com/20-ways-improve-aquarium-husbandry/ I hope that helps and all is well with your fish.
Updated on August 12th, 2025
Health & Wellbeing
We are new to having aquariums, we really didn't realize so many things played a factor with the water. We currently have a 10 gallon tank but want to increase to a 29 gallon tank. We currently buy gallons of water but with the 29 gallon tank we real
Water softeners leave very little salt residue in the treated water. Most, not all, fish *should* do fine in softened water. Make sure you get species that does better in soft water. Use a hardness kit and monitor KH. This parameter is what can affect pH. You can set aside a gallon or two and test it after it has aged for 24-48 hours to confirm it is safe to use. Check the softener unit for a bypass valve. Some units will have one or you can get one installed. Taps/faucets outside may not be in line with the softener, so you can use water from there if necessary.
Updated on August 12th, 2025
Health & Wellbeing
Hi so I don't really like freshwater tanks so I have never been that committed and never had much success except keeping a koi and breeding cherry shrimp which I still have so I was wondering am i ready for a saltwater tank? since I love saltwater ta
Hi there! Thanks for using Boop by Petco! This is the same question I asked myself a few years ago when I started with my first saltwater aquarium. It really depends on a lot of factors. Consider that it requires a significant amount of time and money commitment if you want to do it the right way. It is really time consuming though extremely rewarding. Water quality and equilibrium of the tank are key and ensuring both requires using the right equipment and constantly testing the water and adjusting things as needed. I would consider reading a lot about it before commiting any money to it. I personally love it but it really is a second job I have every Saturday morning just to take care of my tank. Good luck!
Updated on August 12th, 2025