First Aid Kit for Goldfish

First Aid Kit for Goldfish and Koi can come in handy

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If you keep goldfish long enough, you’re going to have the need for a first aid kit. Just like humans, accidents happen to goldfish too, and just like with humans, goldfish can get sick or develop issues. Perhaps a child finds the goldfish food and dumps the entire container into the water. Perhaps a fish was to jump out of the tank, or was when being moved. If or when you have an emergency, don’t panic. Moving too quickly could cause further injury

The fish in the photo below has a stone stuck in a nostril. What would you do?

Goldfish first aid

The more you know about goldfish, the safer you can keep your fish from injury

Goldfish recovering from injury, trauma or sickness heal much faster in water that is rich in value. Raise GH (general hardness) and KH (carbonate hardness) to high end of the comfort zone. Combine with H202 and your fish will mend quickly. What every goldfish needs is healthy water; rich in oxygen and minerals

Goldfish have been revived after being deprived of oxygen for 36 hours

If your set up does not include a pond pump, it should. Every good goldfish house should have one if not two or three (depending on size) pond pumps. Pond pumps deliver the right kind of action for eliminating carbon dioxide (Co2) from the water. This gas, although harmless, fills the body of water keeping oxygen from entering

Goldfish safety

Oxygen enters from the surface. If your tank is covered, the water is low in oxygen. In order for water to support oxygen, it must have a high carbonate value, the surface must be exposed to fresh moving air and the body of water must be free. Shallow water is easily oxygenated by an agitated surface, and a pond pump will not be necessary. Set up a fan that skims the surface. The movement will pull oxygen into the body of water from the air and pull Co2 from the water

The fish in the photo below is getting ready to undergo a procedure, and has been anesthetized for the 5 minute duration

first aid kit for goldfish

Diagnosing Symptoms

Read about oxygenating water and water parameters 10 Steps to Goldfish and Koi Keeping


Items needed for kit

Gallon container (or appropriately sized) for 911 bathes

Blunt nose tweezers


Eye dropper

Water treatment that converts chlorine, ammonia, nitrite, nitrates to a safe form

Raises pH by raising carbonate (KH) mineral and oxygen levels

Sea Salt Remedy

Increases slime coat and improves gill function

First aid kit for goldfish and Koi

Whenever possible treat sick or injured goldfish in their goldfish house. All of the treatments recommended here are not only safe, but are beneficial for all goldfish. If you need to relocate the fish because it is too weak to navigate a tank or pond

Goldfish suffering from nitrate issues must be kept in deep water at all times

Read about isolating goldfish Hospital Tanks

Handle and relocate goldfish by scooping them up in a plastic bag or container; keep them in the water at all times to reduce stress. Nets can injure goldfish. Only use a net to capture, but never lift it above the surface with a fish in it

Goldfish can be compared to human toddlers. It’s up to us to keep our toddlers from harm’s way. They haven’t learned what is safe, and what is not safe. Baby proofing their tanks or ponds is another way we can lessen the risk of an accident

Every first aid kit should include Oop Boost

Keep water parameters in the comfort zone

Some plastic plants and some decorations have sharp edges which can injure a goldfish

Do not use sand or painted gravel as substrate; use natural pea gravel

Keep your tanks open and exposed to fresh air

Keep your tank or pond water oxygenated by using real pond pumps

All filters should have a sponge placed over the intake

Perform small and frequent water changes to keep nitrates consistently low

Encourage algae growth as a healthy food source for your fish and a means of reducing nitrates

Keep your water table below the top of the tank or pond. This area should match the length of your longest fish

Do not place your tanks over vents or in direct sunlight

Goldfish & Koi Articles

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Author: Brenda Rand