Hi all, just came across this thread as I've had the exact same issue with gunmetal grout on 2 jobs in the last month. I have attached some pictures.
I use the coloured grout from bal all the time and I've not once had this problem until recently.
I even went into my local topps where I got the grout yesterday and they had done a display the day before which had the exact same issue!
Is it really our fault or are bal just blaming us for dodgy batches of grout??
The particular tiles in this photo were cheap Matt porcelain from wickes which were terrible, all varied in size by 1-2mm, a pain when you're using 2mm spacers!
I use the coloured grout from bal all the time and I've not once had this problem until recently.
I even went into my local topps where I got the grout yesterday and they had done a display the day before which had the exact same issue!
Is it really our fault or are bal just blaming us for dodgy batches of grout??
The particular tiles in this photo were cheap Matt porcelain from wickes which were terrible, all varied in size by 1-2mm, a pain when you're using 2mm spacers!