DIY Water Stain in the Toilet Bowl Ring Removal

I use the recipe with castile soap (like Dr. Bronners), half-pack of baking soda, and soda to clean my toilet (similar to this one), and it is doing a fantastic job of cleaning and deodorising.

The water rings in the toilet bowl, however, are hard to remove by scrubbing alone.

So, here are a few suggestions from internet users:

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Kool-aid method (I have not tried this one)

http://www.hometalk.com/536786/how-to-clean-that-stubborn-toilet-bowl-ring-for-25-cents

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After attempting to clean with Comet and Liquid toilet bowl cleaner I still had this nasty hard water build up scuzzy ring.

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This is the AFTER picture :)

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The lemon Koolaid works in the dishwasher too for removing the soap scum build up from the insides. Just put in in place of the soap and run an empty washer on it's regular cycle. The before and after will amaze you!

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I know this looks nasty, but remember it's just Koolaid :)

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Of course, the vinegar solution

I have not had much luck with vinegar on my water stains

http://www.wikihow.com/Remove-Hard-Water-Spots

Hard water is water with a high amount of mineral deposits like lime, silica, and calcium. When the water dries, the deposits are left behind, leaving unsightly spots on glass or ceramic surfaces, particularly in bathrooms and kitchens. If you're tired of looking at the brown or white scum that has collected in your living spaces, you can use vinegar or something stronger to clean it up. See Step 1 to learn how to brighten your kitchen and bathroom surfaces in no time.

1

Make a vinegar solution. Vinegar - cheap, natural, white vinegar - is the best tool you can use to combat those every day hard water spots that keep your surfaces from gleaming. Prepare a 50/50 mixture of water and white vinegar in a spray bottle.

• If you're using a spray bottle that used to contain chemicals or other ingredients, make sure you wash it out thoroughly before you add the vinegar and water mixture.
• Be sure to use regular white vinegar. Apple cider vinegar and other types of vinegar won't do the trick.

2

Spray the vinegar on the scummy surface. Whether it's your glass shower door, the sink or your floor tiles, go ahead and spray those spots with vinegar. Vinegar has a pungent smell but it's completely safe to use on surfaces other than wood. Spray the area thoroughly, making sure you don't miss any spots.

Wipe the surface with a towel. Light hard water stains should come right off. If you'd prefer you can instead pour the vinegar solution into a bowl and soak a rag in the solution, then use that to clean our surfaces.

Method 2 of 3: Getting Rid of Tougher Scum

1. 
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   Try letting the vinegar sit on the hard water spots. If you let it sit and soak in for a few minutes instead of wiping it off right away, it'll have more time to break down the mineral deposits holding the scum in place. Let it soak in for a good 5 - 10 minutes before you try to wipe it off. Use a scrub brush to loosen thicker deposits.

   • You can also soak a towel in the vinegar solution and drape it over the stained surface. This works well for shower floors and bathtubs.

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The key with venegar, however, might be that it needs time to work.. 

For example, this guy also uses vinegar-soaked towel to clean very hard water stains around his fauset

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