Hi Tim and all!
I must admit I hate bleach! BUT and a big one at that, I will use it if push comes to shove (which it invariably does). I had a new customer's bathroom to clean with a walk in shower, glass doors etc. I don't think it had been cleaned for a very long time and the mould was so bad you couldn't even see the grout and silicon sealer in the bottom 1/4 of the shower. Needless to say, 1 bottle of bleach later (and a pair of lungs filled with bleach fumes as I had to get in the shower and shut the doors to get to a fair bit of the mould!!) I emerge from an extremely clean and bright shower cubicle.
I was very impressed as I didn't think it would get as clean as it did (the customer was over the moon and had been leaving ecstatic notes ever since).
The only 2 reasons I don't like bleach it because of the smell and the damage it can cause if it gets where it shouldn't, apart from that excellent cleaner.