Canterbury Mornings

Damaged hot water cylinders could be just the tip of the ice berg when it comes to Christchurch's chlorine woes.A University of Canterbury report has found chlorine is to blame for the premature failure of hot water cylinders around the city.Superheat Christchurch Director Trevor Edwards has seen it first hand.He says that more than 2000 cylinders have already been replaced at a cost of $1500 each."That's more than the council has spent on the chlorination programme."And Edwards says it's potentially the tip of the iceberg..He says chlorine has the potential to cause even more damage."Copper pipework which sits behind the wall, you are unable to see if its leaking until you find the carpets wet and it smells, so it's very expensive to replace."