I have zero idea if this is a viable idea or not and if there is any relation or correlation with brix levels in cacti and alkaloids or even general health.
With other plants you can measure plant health using brix levels as well as the sugar content in the fruits.
I didn't think it would be practical for me to buy a refractometer just for this singular use especially if it doesn't prove useful. Not overly expensive however I'm not in a situation where I can just spend cash on random things.
If you have a refractometer already please post your results and anything you've noticed as far as where you collected, season, watering, fertilizing... or if you have extra funds to buy your own to test please share your results.
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