Can You Clean A Fish Tank With Vinegar?

Looking for a safe way to clean your fish tank? Plain white vinegar is a popular choice for cleaning an empty tank.

Here are the supplies you need and the steps to follow.

What Do You Need To Clean Your Fishtank With Vinegar

• Plain white vinegar.
• Salt (plain, with no additives).
• A new bucket that has never been used with soap or household chemicals.
• An aquarium-safe scrubber or algae pad from a fish store. If your tank is acrylic, use a soft sponge or acrylic-safe pad instead to avoid scratches.

Keep a set of cleaning tools only for the aquarium. Even a little leftover detergent on an old sponge can harm fish.

What Next?

Vinegar helps dissolve white, crusty hard water deposits on glass. Salt adds a gentle scrubbing action.

Empty the tank and remove the fish, plants, decorations and gravel first. Mix vinegar with warm water (many aquarists use about equal parts) and wipe or spray it on the glass. Sprinkle a little salt on stubborn spots.

Let it sit a few minutes, then scrub with your pad or sponge.

Rinse the tank very thoroughly with plain water until there's no vinegar smell left, then let it dry.

Only use this method on an empty tank. Never add vinegar or salt to a tank with fish in it, since it can change the water chemistry and harm them.

Don't scrub or soak your filter media in vinegar. It holds the beneficial bacteria your tank depends on. If the media needs cleaning, swish it gently in some old tank water.

The Final Step:

Before adding fish to a freshly cleaned or new tank, the tank needs to be cycled. Cycling builds up beneficial bacteria in the filter.

Those bacteria convert toxic ammonia from fish waste into nitrite, then into much less toxic nitrate. The University of Florida notes that a new biofilter takes about six to eight weeks to develop enough bacteria to control ammonia and nitrite. Until then, these compounds can build up and kill fish.

Test your water for ammonia and nitrite, and add fish slowly.

Why Use Vinegar? Is It Safe For Fish?

Why vinegar instead of soap? Soap and detergent are very hard to rinse completely out of a tank, especially from the silicone seals. Residue left behind can harm fish.

Vinegar is a mild acid that rinses away easily. Once it's fully rinsed out, it is a safe choice for cleaning an empty tank.

Vinegar also helps remove odors, and it is cheap and easy to find in any grocery store.

Sources

• Ammonia in Aquatic Systems, UF/IFAS Extension, University of Florida