Grout efflorescence

[Gazzer]

Try using a colourant.

 

[pablo79]

Try using a colourant.

Thanks. Will that also prevent the white stuff coming through again later when it gets wet?

 

[Gazzer]

It should do if you clean before hand and use something like this Universeal Grout Rescue - Colour & Seal 237ml Black £16.50 in stock - next day UK delivery

 

[pablo79]

It should do if you clean before hand and use something like this Universeal Grout Rescue - Colour & Seal 237ml Black £16.50 in stock - next day UK delivery

Many thanks!

What would I clean it with? Water just makes it worse. Is there a special cleaning solution for efflorescence?

 

[Gazzer]

there are cleaners on the link I provided. The best way would be to try it in a hidden area first.