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Subject: Re: Is tooth brushing water from hot tap safer than from cold tap?
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David P said:Quoted message said:Quoted message said:My own hot water tank is in the roofspace and it gets a feed from
the rising water main to the house and the tank has a tight
fitting cover.
However the cold water tank in my roofspace is much older and had
a damaged top and I can see the base of the tank is full of crud.
I think you have gor my setup wrong.
Yes, but you were unclear.
Quoted message said:There is a cold tank in the roofspace which feeds all cold taps
(except the one in the kitchen). It is refilled from the rising
main.
There is a hot water tank in the roofspace which feeds all hot taps.
It is refilled from the rising main and not from the cold water tank.
That is not a hot water tank. It is a cold water tank. It holds cold
water. The fact that you have two cold water tanks, one for cold taps
and one for hot taps, is a little unusual.
Your question might be better phrased as "is tooth brushing in warm
water from a clean tank safer than from cold water from a dirty tank?"
Given that this is uk.d-i-y, why don't you clean the "cold" tank and
replace the cover?
Owain