Reason why Freeze Pruf may be delayed due to potential liability issues
I think I may have deduced why Freeze Pruf are still undergoing several legal hurdles delaying the release of the product. I am speculating that one of the active ingredients of Freeze Pruf may have been Medfluidide which is a herbicide and toxic to humans and animals.
Medfluidide will impart cold hardiness to herbaceous plants at certain concentration, within the amazing same range of 2 to 9 deg F additional protection. You can google for Medfluidide in the Google Scholar search engine.
The way Medfluidide works at certain concentration (meaning, not as strong as that for herbicide purposes), is to enhance Abscisic Acid accumulation in the plant tissues and helps a lot in the freeze resistance of cells and also they will be able to recover quickly.
The more expensive alternative to the Medfluidide component is Abscisic Acid itself, and you can use it in almost the same way. And if the Abscisic acid is extracted in the most natural organic way, then the Freeze Pruf could pass the OMRI certification, but it will shoot up the price. Using Medfluidide is the cheapest and most profitable alternative for freeze protection, but still limited to 2 to 9 deg F depending on crop species.
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