Sugars in a water solution can ferment raising hell with ph and ppm.
I put some in a dwc set up and it really messed my plants up.
All the leaves turned yellow in about 8 hours and they died shortly after. Not even flushing and running straight water helped. I would not do that.

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"There's no money for your issues so long as we're squandering $50 Billion a year on the drug war"- Ben Masel