Quote:
Originally Posted by jcj77d
yes, thats true, & purple stems can also be a sign of nute def, or lockout
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This lockout we here so much about is a good example of why its not a bad idea to slightly vary the PH in h2o from time to time from one end of the useable spectrum to the other.Some micro nutes are locked out at each end so staying at the other end each time you water could lock out some much needed micro nutes without even knowing it.