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The key word in the above questions is when the other vendors say they have the same product and "cheaper". This automatically sets up a red flag confirming the polyphosphate portion (and perhaps the orthophosphate portions) of their products is not made domestically, that is, within US borders. There is an established pricing for polyphosphates domestically manufactured. Foreign sources of polyphosphates (such as those from Mexico or China for example) sell for 40-50% less. Why? Number one, they want to be very competitive and switch all the business from domestic sources to themselves and two, by simplifying their manufacturing processes (cutting costs In order to offer "cheaper" pricing), they end up making a product that is inferior for the drinking water market…even though it might suffice for other markets.

What is it that makes foreign manufactured polyphosphates inferior? Domestic (US) producers have over 100 years of manufacturing and application experience where the foreign sources are only trying to copy and make what they think is a proper copy. The reason they cannot succeed is often attributable to the black art of manufacturing polyphosphates. However, if you analyze such products chemically, you find that the foreign products have a much wider and larger distribution of polymeric size. Why is this important in drinking water applications? Because when it comes to sequestration of metals in solution (iron, manganese, calcium, and magnesium), the larger the polyphosphate molecule the less effectively it sequesters.

Well, that sounds exactly opposite to what one would expect. We always learned that as such polymers get large, they have more sites to do the sequestering of these minerals in solution. But, what the manufacturers of these foreign supplies do not realize [and what (US) domestic manufacturers know from all their experience] is that when sequestering sites begin to get filled, they will block other sites. In other words, the large foreign polymers actually sequester less minerals because of a concept in chemistry called "steric hindrance". It simply is too big. Domestic (US) manufacturers go through great pains to make sure that the molecular distribution of polymer size is exactly what is needed in order to optimize sequestration performance.

Aqua Smart, Inc. has taken this even farther. By providing its unique SQ547 technology (developed over 18 years of research), Aqua Smart has focused even on the more appropriate molecular distribution sizing to improve upon what (US) domestic manufacturers already know. This process is not cheap, but is the reason why SeaQuest is different, why it works better, and why it works more efficiently than other vendors’ products.

What is the end result of all this? One should never ever purchase a orthopolyphosphate blended product for drinking water corrosion control sequestration without absolute written verifiable confirmation that all the raw materials are manufactured domestically in the US. And, in order to insure maximum performance of such a product, one should always buy SeaQuest—not the cheapest, but simply the best.