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Armor Kote 7.5% Monosilic Acid $9 a liter?!?

MtnLivin

Member
I just picked up a liter of grow more Armor Kote for $9. It says 7.5% monosilic acid. Is this legit? Lol
 

Avenger

Well-known member
Veteran
http://www.aapfco.org/presentations/2016/2016_AN_soluble_silicon.pdf
Silicon Labeling – The format below should be used for guaranteeing Soluble Silicon (Si)
in a dry or liquid fertilizer. The method for Soluble Silicon (Si) is in the Journal of
AOAC International, Volume 96, Number 2, 2013, pp 251-259. At this time the method
is valid for dry fertilizer and will give a slightly lower number for liquids, but liquids
should be analyzed by this method until a method is validated for liquids.
Contains Beneficial Substances
Soluble Silicon (Si) XXX%

Using such language does not meet the label guidelines as given by the AAPFCO. My guess is that Armor-kote is simply repackaged AgSil 25, a 2.5 SiO2:K2O weight ratio aqueous potassium silicate.

It is a good source of plant available silicon.
 

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