The Flush Debate, Settled by Evidence
The most-cited controlled trial found no yield, potency, terpene, or mineral difference across flush durations — and tasters preferred the unflushed flower.
5 min read
What the data actually shows
'Flushing' — running plain water or an N-free finisher for the last 1–2 weeks to 'clean out' the plant — is one of cultivation's most repeated rituals. It is also one of its least evidence-supported.
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