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Neem with potassium silicate

Has anyone tried using neem oil with potassium silicate instead of with soap?
I found this mentioned in a few places. This idea appeals to me, as it avoids the complication of deciding which soap to use, and perhaps the potassium silicate has some additional benefit?
"Mix 1½ Tsp. Per quart of water (1 oz./gal.), plus ½ tsp. of Pro-TeKt® or mild liquid dish soap per quart of water (2 tsp./gal.) as an emulsifier.  Shake well"
"Deposited in a hard, opalene form in the epidermis of leaves and stems, silicon adds mechanical strength and supports plants’ natural defenses against insects and fungal infection.
Plants become more tolerant to drought, heat, and cold stresses, and will support  the weight of dense, heavy buds."