so over the last few weeks everytime I've gone to run the bath there have been some tiny little spiders in the bottom, easily killed and washed away, probably one or two 3 times a week...nothing for me to worry about...until today, when I saw a couple that were bigger, (still small, only a few mm big), but these ones were big enough for me to see their bums...and they are red backs.

not really keen on them being in the bathroom... so where are they most likely coming from? where is 'the nest' so i can destroy it?? do they like wet areas?? (i thought they liked dark and dry?)... could they be in our spa jets?

its a corner bath, with spa jets, shower on top. tiled wall (although there are bits of missing grout.)... there is a spider web right up in the top corner of the wall...