Hi i have white patches which disappear when i clean but come back it is a dark brown grout am i washing it too much it has never been sealed

Dark brown grout doesn't normally have a sealing problem. Your white patches could be limescale build-up , I would recommend a limescale cleaner.

Would this work on dried in urine on grout between tiles? Thanks

I think that this product is great for all regular toilet hygiene but something like grouting needs a different more robust cleanser. HG do a grout cleaner, which I have found to be very effective and then when the grouting is clean, you could perhaps spray the area with the hygienic toilet area spray to finish it off?

Anyone tried this on light grey coloured grout? I wonder if it will change the colour.

I used two heavy coats applied with artist brush on Jasmine colour and it dried to original colour. If I recall instructions state colour may darken if over applied. Hope this helps

Is it alright to put the waste water from rinsing the product from the tiles down the sink? Anyone had any problems from doing this?

The chemical itself will be OK to pour down the sink and diluted. However, if the waste water/chemical contains a lot of grout residue, this could set hard in your wastepipes. I always pour away on the garden or down a nearby large road gully.

Product Name	HG 21 SPOT STAIN REMOVER 500ML*
Weight	1 Kilograms
Volume	500 Millilitres
Units	500.0 millilitre
Brand	HG
Format	Liquid
Age Range Description	Adult

HG stain remover

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