Bathroom seals guarantee the tightness of sanitary installations: shower, washbasin, bathtub, etc.
Why do bathroom grouts turn black?
The main cause of the appearance of black on your joints is mold.
Dirt accumulates (soap, grease residue, hair, etc.) on or under the seals, causing mold.
The quality and age of your joints are also to be taken into account.
Your joints may be old, poorly made or have small holes that encourage the infiltration and proliferation of dirt, bacteria or fungi.
Read alsoMoulds: where do they come from?
How to clean joints that have blackened?
To clean blackened joints, you can use different cleaning products.
Also take a sponge or a small brush, such as a joint brush or a toothbrush, ideal for cleaning the joints in depth.
Here are the products to bet on to recover joints that have blackened.
Baking soda
Apply to your joints a mixture of 4 tbsp.
at s.
of baking soda and ½ glass of white vinegar: the paste foams and attacks the dirt.
Let stand overnight before rinsing.
You can also combine baking soda and hydrogen peroxide.
Attention
Do not combine white vinegar and hydrogen peroxide.
Baking soda works for both silicone grout and cement tile grout.
white vinegar
White vinegar is a household ally: anti-limestone and disinfectant, it cleans and makes everything shine in the house.
It is also very useful, pulverized pure to clean your joints.
Then rub with a toothbrush the joints to strip them.
Read alsoVinegars: which variety for which use?
black soap
To remove black stains from bathroom grout, opt for liquid household black soap.
It is an excellent stain remover, used in particular for stripping a terrace, degreasing a work surface or even cleaning tile joints.
Soak your brush in black soap and hot water and scrub.
Note that black soap is also sold in the form of a spray, which is very practical for daily cleaning.
How to clean joints that have yellowed?
What household products should be used to whiten silicone seals that have yellowed over time due to scale, limescale and grease residue?
lemon juice
To scour dirty joints, spray lemon juice on them and then brush with a small brush or a toothbrush.
For even more efficiency, mix lemon juice and coarse salt.
Read alsoLemon: what does lemon contain?
dishwashing liquid
In a small basin, mix 1 liter of hot water with 33 cl of dishwashing liquid to degrease and restore whiteness to your joints.
Rub well before rinsing with warm water.
Read alsoHow to make your dishwashing products?
soda crystals
Soda crystals are powerful detergents and stain removers.
On yellowed seals, they are therefore very effective.
Start by putting on gloves and goggles, in case of projection to protect yourself.
Then mix 2 doses of crystals for 1 dose of hot water and strip your joints with this mixture.
To note
The clay stone (or white stone) is effective on dirty joints, whether blackened or yellowed.
Impregnate a damp abrasive sponge with the product and clean the joints before rinsing them.
When should bathroom grouting be redone?
In a bathroom, the joints guarantee the maintenance of the tiles in place, and prevent humidity and water from infiltrating the wall.
Without this seal, it can cause real damage in the long run.
If your joints are too affected, and you are unable to restore them to their original whiteness, you must then opt for the repair of the joints.
It is then enough to remove them using a cutter or a razor blade.
Then clean the surface and let it dry overnight.
Read alsoHow to choose a craftsman?
Once the substrate is clean and dry, apply the new silicone gaskets with a gasket gun.
Smooth with your finger so that the joint is even.
Leave to dry again for at least 48 hours before using your installation.
We hope our tips will help you reclaim a sparkling clean and white bathroom.
