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Related Articles & Questions
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Master Small Marine Fish Care: Tank Setup, Food, & Compatibility Guide
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- Health & Wellbeing
What is the best way to clean a fish tank? Am I allowed to remove the fish so i can clean it more properly?
Hello, and thank you for using Boop by Petco. The most common (and easiest) way to clean a fish tank is with a siphon-style cleaner. Fish tanks should be cleaned in stages, generally replacing 10-15% of the water at a time. There are times where a larger cleaning might be necessary, but removing the fish and changing too much of the water at once can be quite a shock and can be dangerous to the fish, so this should be saved for only extenuating circumstances. Here's a helpful video on using a siphon cleaner: http://video.petco.com/v/18852/how-to-clean-your-aquarium-with-the-aqueon-siphon-vacuum-/ And some more reading you may find interesting on general fish tank cleaning and maintenance: http://www.firsttankguide.net/waterchange.php Hope this helps!
Updated on August 12th, 2025
- Health & Wellbeing
My son rubbed bedtime lotion in our fish tank how do i clean it out safely?
If it is on the glass, remove enough water to drop levels below the lotion and wipe with paper towels until clean. Avoid soaps or cleaners which can cause more harm to your fish than the lotion. Replace water with aged or conditioned water that is temperature matched to prevent further stress or shock. Use a fresh carbon filter insert to remove any residual lotion or chemicals. If the lotion is on tank furniture, remove and wash with a mild soap then rinse very well before returning it to the tank.
Updated on August 12th, 2025
- Health & Wellbeing
My fish tank got infested with pink algae and green algae and the fish are acting lethargic and dying.
Check the 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. Rinse the filter media in tank water, not tap water, and replace it. Use only conditioned water that is temperature matched to prevent stress or shock. To limit algae growth, maintain pristine water quality via filtration and regular water changes. If possible, turn up filter flow to keep water moving. If this stresses the fish though, do not do it. Do not overfeed and remove any uneaten food promptly. Limit lighting to 8 hours daily and closely monitor water temperature as well. All these can promote algae overgrowth.
Updated on August 12th, 2025
- Health & Wellbeing
To make brackish water, you add aquarium salt to tap. Do I de-chlorinate the tap beforehand? I'm just confused on how to make it.
Do not use plain aquarium salt or table salt. To make brackish water, you need marine salt. You will also need a hydrometer to measure specific gravity. A hydrometer can be found in the aquarium section of most pet stores They cost $15 or less. Depending on the species of fish you have, brackish water will need a SG between 1.005 and 1.010. One tablespoon of marine salt per gallon of water will create brackish water at the lower end of the SG range. Yes, you will need a conditioner to remove chlorine and chloramine before you add the marine salt.
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
