Marking & staining on tiles! Help needed!

I read this and thought what a shame all that money spent and must be so annoying to be getting white showing up on black tiles.
I can't help coz I'm useless I tried to find out but I'm sure kiab and several others will definitely have an answer though so stay tuned.

Give them a bit more info and maybe some pics if you can

You say they "appeared". How long after the floor being laid did they start to appear?
What "heavy cleaning fluids" have you been using on the tiles?
Did you lay the floor yourself?
Any info on the grouting?

Hope the others can help. Be lovely to know you've managed to get rid of the stains.
Have a good bank holiday

 

Would you say limescale?

If so, could try a limescale remover(not harpic or bleach with limescale remover), but one that you might use in a kettle or steam iron. I don't know the porosity of the tiles, or whether the liquid would damage, so explore first.

Mr. HandyAndy - Really

 

Too short a time surely? And that doesn't appear cloud like
C'mon Andy. Dig deeper

 

May not be limescale, but surprising how quickly it can stain.

Ever washed up, and before you had time to dry up, your Pyrex® dishes have watermarks(limescale) on them? Luckily, they are glass so not a problem.

Mr. HandyAndy - Really

 

Not in this house the dog licks everything clean!

 

Urrrrrrrgh. I'm glad I don't have to eat any more today!

(JP)

Mr. HandyAndy - Really

 

And she sleeps on the bed

 

I think photo's are needed, to see for ourselves what it looks like.

 

What is cloud like that won't budge????

 

Let's rule out grouting. If they have been in there with steam cleaners disturbing grouting for instance. Would grouting stuff stain and not budge? Yes or no

 

I'm half wondering if they have used these "heavy duty" cleaners they mentioned to remove adhesive and the cleaners have produced a bigger problem?

Sorry to talk about you like your not here op but your not here

 

You may have a very good point, especially if they contained a lot of bleach.

 

I think its a strong possibility but I have been known to be wrong

If say this was the problem. How do they rectify it

 

http://www.toppstiles.co.uk/?gclid=COy2zuPM0ccCFSjlwgodmUYC0w

 

New tiles????? Awwww no! Don't say that

 

Photo's are what's needed.

 

Might not be the case op

Give them photos

 

Oooh lol we posted that together two great minds