Couple of weeks ago I noticed that our pool was smelling a bit, ermm, different. Instead of the usual chloriney smell, it had taken on this rather more pungent odour - musty if you like. But we were swimming in it to no ill effect, so I just assumed it needed a bit more salt for the chlorinator.
However a couple of days ago, Liz, Jack and myself were in having a splash about and we all commented on the fact that it really was not pleasant to open your eyes in that water. I suggested we all got out until I had the water tested. So I took a sample of water down to our friendly neighbourhood pool shop and had the bloke test it.
Blog entry continues here.