I think 6.5 slurry is in range. Also take a ph reading of the runoff. My rule of thumb is if PH drops more than .5 I would back off on nutrients 50% if ppm of runoff also increased. Otherwise, I would run some extra plain PHd water through it. I call it a mini flush and do it to keep the medium in range
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I think 6.5 for soil is pretty good.
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In range, so your plants should thrive.
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That’s perfect, now what’s the ppm/tds?
That I dont know until I can buy a meter soon
What size pot? I think a small like 2 gal pot could greatly impact the quantity of nutrients available