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There is considerable discussion and controversy regarding whether ionic silver or particulate (colloidal) silver is more efficacious.  This has been discussed on the silver-list by many of the members; some of them having chemistry and/or medical backgrounds.  It is claimed  by MesoSilver that  colloids are more effective at killing pathogens.  Their product is about 90% colloidal while most ionic/colloidal silver is typically 75-95% ionic.   They claim that ionic silver is converted to silver chloride in the stomach by coming in contact with hydrochloric acid, thereby becoming ineffective. 

The company Natural Immunogenics, manufacturer of Argentyn 23  claims the ionic portion is more effective at killing pathogens.  Their product is about 95% ionic.   In order to resolve the dispute Natural Immunogenics performed kill studies  using a controlled comparison that diluted both MesoSilver and Argentyn 23 with hydrochloric acid to neutralize the ions in MesoSilver.  Then the two were diluted to 20 PPM each so the comparison would have validity.   They then combined the remaining fractions of Mesosilver and Argentyn with two strains of Staphylococcus Aureus.   The dilutions were placed on petri plates and graded as to their effectiveness in killing the pathogens. 

Please see the test results here.   Look near the bottom right side of the report for the in vitro kill rates.  This should resolve the issue.  It seems clear the ionic portion is more effective at killing pathogens.  

Also see http://www.hydrosolinfo.com/index.php for considerably more information regarding ionic and colloidal silver.  

It should be noted that the silver  water produced with SilverGen generators is approximately 85-98+% ionic and the balance is colloidal.  So, no matter who you think is right, the water contains enough of each form of silver to be effective. 

We believe the ionic form of silver is the best for killing pathogens, stem cell regeneration and also the form that causes cancer cells to dedifferentiate.  See cancer and silver. on our links resources page.


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Before You Buy a Colloidal Silver Generator
CONSTANT CURRENT colloidal silver generators
SG6 Auto Colloidal Silver Generator
SG7 Pro High Speed / Volume Generator
Tyndall effect - colloidal silver and silver particles
PPM and water tester.
Electron Microscopy Pictures
PPM vs Efficacy
Instructions for SilverGen Colloidal Silver Generators
Colloidal Silver Generator Terminology and Definitions
Ionic versus Colloidal Silver
Links and resources.    DON'T MISS THESE
Shipping Information
Return Policy

Call toll free 1-877-SILVERGEN (745-8374) U.S.A only or
360-732-5091 to order.  
Hours: M-F 9AM-4PM   Pacific Time ZONE

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SilverGen, Inc.
170 Embody Road
Port Ludlow, WA  98365  U.S.A.

1-360-732-5091  FAX 1-360-732-5071