London's tap water is FULL with hard chemicals due to over 200 years of open sewers over the Thames.
To have an idea, the water is WHITE, then randomly turns normal, if you don't clean your bathtub, it will get a whole crust over it. If you put on a glass and you let it evaporate it will be filled with white dust on it.
We have to use 2 filters or more to drink the water and even so it's hard, with a bad taste and probably will give us cancer.
I'm so not putting my fish on tap water.
I tried and in 5 hours the whole bowl was white-ish and the fish was super stressed.
Gov Report about the water on my neighbourhood:
Commentary on Water Quality :
Very good water quality, but six infringements to report for metaldehyde. Our investigation
confirmed the levels of metaldehyde detected were not harmful to health. This is an industry wide
issue and we are actively working with agencies to find ways of reducing metaldehyde in the