It’s 2 days into flush and hasn’t yet ask to be drained yet so that its running off pure water. Am I supposed to or does it send a notification?
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Do a drain / fill with R/O water to start flushing
Mark your bottle 3,4,5 so you confirm Grobo didn’t dispense nutes
It will use bottle 1 and 2 to adjust Ph still
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Also you want to keep the same drain & fill schedule or try to get at least two in before flush is over! There will be no notifications for this! 
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Thanks I did my first drain and fill today on day 2/10 so I will make sure I get one more in
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