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Ionic silver to keep water circuit bug-free?

M

mungbean

n00b
Joined
Mar 19, 2003
Messages
56
I'm a doctor.
We use lots of silver-based kit to keep bacterial infections at bay - silver coated urinary catheters and intravenous catheters, silver based dressings for nasty wounds, etc.

These work because ionic silver suppresses bacterial growth, including biofilm formation (this is the slime that adheres to the inside of tubing).

Now, I know that algae are just as much of a problem in a watercooling set-up, but I'd put money on a lot of the green gunk that builds up actually being Pseudomonas aeruginosa, a bacterium that thrives in watery environments and is known to clog up industrial pipework.

I wonder whether silver coated plastic tubing would be the way forward?

Obviously it wouldn't last forever, and there is the problem of blocks & rads being made of a different metal, but it might just work, especially if a sacrificial anode was introduced somewhere in the loop.

Any thoughts on this?

- Adam
 
ummm... you can already buy tubing with silver coating at Petras => "1/2" ID (3/4" OD) Tygon Silver Antimicrobial Tubing".

I think most people like to have their tubing clear so they can show off their setup though so I don't think these are that popular....
 
We already have PT nuke... Does a good enough job... The problem with ionic silver is that we just don't *need* it.

I've never seen a loop destroyed by bacteria, just buildup of silicates and other nasty things in "non-conductive coolants." These coolants continuously prove that what can be marketed, can be sold, regardless of actual performance.

Silver wouldn't be a problem in any loop with only copper. It would be even worse on aluminum than copper is... which is a good thing, as sacrificial anodes are horrible in a closed loop.
 
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