I do, in the form of monosilicic acid rather than potassium silicate, since I get plenty of potassium from my other nutes.@InTheShed do you use Silica iun your grow? That helps the plant keep it away once you get everything done with this run. Research it. Heres something to research for future reference.
It works i use that as a preventative
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That said I probably need to use more in veg than I currently am, so I'll up the PPM for the next set. I get lazy for my veg nutes and often forget to add the MSA.