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Charlie Pridham[_2_] · 13-07-2013, 03:32 PM posted to uk.rec.gardening

"Martin" wrote in message
...
On Fri, 12 Jul 2013 10:18:53 +0100 (BST), wrote:

In article ,
stuart noble wrote:

Anyone else concerned about water that has been left in a hosepipe and
baked by the sun? Mine has a nasty smell for the first minute or so and,
if the hose is set to mist, I wonder if there's a risk of something
nasty being inhaled. Legionnaires?

Er, Louis Pasteur fairly conclusively disproved the theory of
spontaneous generation! If your water already contains such
diseases, you have more serious problems; if it doesn't, they
won't appear by magic.

If the end of the hose is open when not used and there is some water
left in the hose there doesn't need to be spontaneous generation. The
same situation exists in showers.

The very worst that could happen is that something could create
enough toxins to be serious, when it isn't normally, but the
chances of that are infinitesimal.

A fountain in a Dutch spring flower show caused an out break of
legionnaires disease in Nord Holland.
--

Martin in Zuid Holland

I think that was a fogging unit using recycling water, something now banned
at flower shows.

Stuart, is this mains water? or water butt/grey water? I am surprised if its
getting smelly after just a couple of days.

Problems occur only when water droplets sit around like in aircon condenser
units and larger shower facilities where there is a dead leg in the plumbing

--
Charlie, Gardening in Cornwall
Holders of National Collections of Clematis viticella
and Lapageria rosea cvs
http://www.roselandhouse.co.uk

stuart noble · 13-07-2013, 04:29 PM posted to uk.rec.gardening

On 13/07/2013 15:32, Charlie Pridham wrote:

"Martin" wrote in message
...
On Fri, 12 Jul 2013 10:18:53 +0100 (BST), wrote:

In article ,
stuart noble wrote:

Anyone else concerned about water that has been left in a hosepipe and
baked by the sun? Mine has a nasty smell for the first minute or so
and,
if the hose is set to mist, I wonder if there's a risk of something
nasty being inhaled. Legionnaires?

Er, Louis Pasteur fairly conclusively disproved the theory of
spontaneous generation! If your water already contains such
diseases, you have more serious problems; if it doesn't, they
won't appear by magic.

If the end of the hose is open when not used and there is some water
left in the hose there doesn't need to be spontaneous generation. The
same situation exists in showers.

The very worst that could happen is that something could create
enough toxins to be serious, when it isn't normally, but the
chances of that are infinitesimal.

A fountain in a Dutch spring flower show caused an out break of
legionnaires disease in Nord Holland.
--

Martin in Zuid Holland

I think that was a fogging unit using recycling water, something now
banned at flower shows.

Stuart, is this mains water? or water butt/grey water? I am surprised if
its getting smelly after just a couple of days.

Problems occur only when water droplets sit around like in aircon
condenser units and larger shower facilities where there is a dead leg
in the plumbing

This is mains water

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