Sorry, battery acid stains are permanent. The acid will eat away the cloth.
To remove battery acid stains from concrete, you can use a mixture of water and baking soda to scrub the affected area. Dawn dish soap can help to remove grease stains from concrete by applying it directly to the stain, scrubbing with a brush, and rinsing thoroughly with water. However, for tough grease stains, you may need to use a commercial degreaser.
Calamansi contains citric acid, which acts as a natural bleaching agent that helps to remove stains and dirt from clothes. It also has antibacterial properties that can help to clean and freshen fabrics.
Iron Out contains chemicals such as sodium metabisulfite and citric acid. These chemicals work by breaking down the iron oxide molecules in rust and stains, making them easier to remove. Sodium metabisulfite reacts with the iron oxide to form a soluble compound, while citric acid helps to dissolve and lift the rust and stains from the surface. Together, these chemicals effectively remove rust and stains from various surfaces.
Calamansi contains natural bleaching agents like citric acid, which can help break down and remove stains from clothes. It is also effective against grease and oil stains due to its acidic properties. Additionally, calamansi has a fresh scent that can help eliminate odors from clothing.
It can remove stain because kamias contains a high content of oxalic acid.
To remove battery acid stains from concrete, you can use a mixture of water and baking soda to scrub the affected area. Dawn dish soap can help to remove grease stains from concrete by applying it directly to the stain, scrubbing with a brush, and rinsing thoroughly with water. However, for tough grease stains, you may need to use a commercial degreaser.
Bleach will only remove a small portion of the stain and the scrub brush on concrete will definitely cause permanent damage to the concrete. Once concrete is "spot treated" with improper tools, chemicals or techniques it can be permanently damaged. Battery acid stains are not rust and are a chemical reaction within the concrete. If you try Hydrochloric Acid, Hydrochloric will only remove a maximum of 60% of the stain. It is very dangerous and will permanently damage your concrete. The only reason HCL Acid works is because it dissolves the cement past and takes a small amount of stain with it. Battery Acid Stains can travel up to 2" deep into the concrete. There is only one solution that will work- it is a new product called F9 BARC (Battery Acid Restoration Cleaner) made by Front 9 Restoration, Inc.
Oxalic acid (one teaspoon) to remove rust and iron stains
Drain pool and clean with muriatic acid
just put a baking soda and water mixture on it
To remove phosphoric acid stains on black plastic, make up a paste of white vinegar and baking soda. Apply the paste to the stain and allow to sit for a few minutes, then rinse with warm water.
Calamansi contains citric acid, which acts as a natural bleaching agent that helps to remove stains and dirt from clothes. It also has antibacterial properties that can help to clean and freshen fabrics.
Iron Out contains chemicals such as sodium metabisulfite and citric acid. These chemicals work by breaking down the iron oxide molecules in rust and stains, making them easier to remove. Sodium metabisulfite reacts with the iron oxide to form a soluble compound, while citric acid helps to dissolve and lift the rust and stains from the surface. Together, these chemicals effectively remove rust and stains from various surfaces.
Rinse with a mild acid such as vinegar.
NO! never remove the acid caps! EVER! only if it is a battery to something like an ATV or dirt bike you would take the acids caps off and only to refill the acid. if it is a normal car battery just leave them on. if you are talking about the (+) and (-) battery TERMINAL caps then on some vehicles you have to take them off so that the charger can come in contact with the battery posts.
Since you cannot remove the "stains" with the methods you have tried perhaps the stains are from too much acid or high acid levels. Are there also copper colored stains as well? Do you have a pool heater in the system? If so, then it is copper stains from an acidic pool water. The over acid conditions are stripping the copper from the heater copper tubing. k
You can remove battery acid from terrazzo by sprinkling some baking powder on the affected area and scrubbing the stain with a wet toothbrush. Wipe away the chalky residue with a clean, damp cloth.