Quantrill
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You know you have gone too far with your soil recipe when you are adding fossil shells. :)
Go figure a true ag product wuth real research takes the cake where as a hydro store dudes product is lower n pricier....again cannabis is nicknamed weed for a reason....really isnt the toughest thing to grow!
Nope, but I'd bet it is just freshwater DE in water.Quantrill,Any experience with this product?
http://gettyequinenutrition.biz/Products/orthopursi.htm
Does anyone have a source for Agsil 25 the liquid version of Agsil 16h?
Agsil25 has slightly less plant available silica compared to Agsil16 powder (7.6 ppm versus 8.5 ppm), but way less total silica 2.5x less at (24.6 ppm in Agsil16 versus 9.7 ppm in Agsil25) so thats way less non plant available available silica thats doing nothing for your plant and raising the PH of your reservoir. Agsil25 seems like the superior product but where can you buy it?
This 5-Day Na2CO3-NH4NO3 Soluble Si Extraction Method is applicable to the detection of soluble Si in nonliquid fertilizer products, blended products, and beneficial substances at Si concentrations of 0.2–8.4%, with an LOD of 0.06% Si, and an LOQ of 0.20%.
Here is a soluble silicon analysis on a concentrated stock solution of AgSil 16H. The stock solution was prepared by diluting 560 grams of AgSil 16h in RO water and bringing the final volume to one gallon. This calculates to a concentration of 3.6587% Si weight/volume (~3.37% Si weight/weight). As you see the results for the analysis says 3.25% soluble silicon using the same AAPFCO testing method.
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