Flushing
Watering with plain water, usually late in flower, to reduce the nutrients in the growing medium.
Also called flush
Read more about Flushing
Science
Sample: Researchers ask whether flushing changes flavor
A blind tasting found less difference than growers expected, in a small trial that needs repeating.
Leaf Doctor
Yellowing lower leaves: what it is, and when it’s nothing
Before anything else: if you're six or more weeks into flower and it's only the bottom leaves, this is probably normal.
Leaf Doctor
Natural senescence: when yellowing leaves are supposed to happen
Late in flower, your plant starts dismantling its own fan leaves on purpose.
Leaf Doctor
pH lockout: why feeding more makes it worse
A plant can be surrounded by a nutrient and unable to use it.