Grout Advice Required

[DHTiling]

I would remove the bottom row of tiles all the way around then build up the sides with aqua panel and flexi adhesive..then tank the aqua panel and the bottom bit of the walls...once dry then when you re-tile..let the tiles over shoot onto the tray a bit and seal the front lip with Silicon....the tanking and overshooting the tiles should stop any further probs.....nothings 100% but its worth a go....
Use cement based addy all the way and then no water will affect it...
But it is all in the prep work if you want to stop this happening again...

 

[kinhell]

Many thanks for the advice. I've learned over the years that taking your time and making sure the job is done correctly and right first time usually prevents further problems. Cheers.