How To Clean Hard Water Stains From Hot Tub

For how to clean a hot tub with vinegar start by mixing the solution and apply it to any stains or water spots in the tub.
How to clean hard water stains from hot tub. When cleaning tough stains you may also want to use a soft scrub brush or magic eraser to remove the dirt and grime. Add calcium hardness increaser when your spa or hot tub is less than 150 ppm. You can also make a paste using the vinegar and baking soda. Clean the tub with this solution which will also remove dirt and stains. Rust stains can be caused by improperly balanced water in the spa.
For tough stains apply the bio cleaner to a hard bristled toothbrush and scrub the stain for 3 minutes. Then sprinkle baking soda on the soaked vinegar side. Eventually this will lead to a buildup similar to soap scum. Regular use of your spa likely means that dirt and grime will accumulate in the hot tub over time. The method works best if your tub is coated with fiberglass.
All you need to do is mix baking soda with water and pour the mixture generously over the rust stain. 31 by weight hcl hydrochloric or muriatic acid was used in this video. Distilled white vinegar makes an excellent natural cleaning solution especially on smooth surfaces like acrylic that release stains easily. Spray directly onto stains completely covering them. Next combine the table salt and baking soda and add enough water to create a paste.
You could substitute vinegar here if you would rather not use bleach. Oil from your skin perfume make up or lotion can cause foam to form in your water. Whereas hard water can produce stains and scale soft water can be corrosive to the soft and shiny parts of your hot tub. Allow the paste you ve created to sit for at least one before scrubbing with a washcloth or sponge. Apply the vinegar liberally to completely cover the affected area.
Apply the paste on the spots and let it settle for 10 15 minutes. Spray the stains with vinegar. Allow the vinegar to sit for 30 minutes. You then wipe off the stain with a white cloth soaked in vinegar to aid in thoroughly cleaning the surface. Fill a spray bottle with vinegar and keep it on hand for routine bathroom cleaning tasks.