Originally Posted by
Mac
Whats in runoff water ..... yesterdays nutes, minus whatever the plant has used.... diluted down with today's... can't possible be accurate. Slurry test in the root zone is the accurate way but its a fucking pain to do and kills a load of roots in the process getting to it, so most don't bother.
Feed daily to runoff, this way your root zone is reset to whatever you put in each day. PH between 5.5 and 6.2. 5.3 would be too low for some of the elements to be taken up by the plant. Around 5.8 is the sweet spot usually but some can require a little either side of that..
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