Hello,
Growing Bruce Banner in a 24 site under current system, 5 weeks into flower, sterile (roots). I've been noticing my pH doser doses about every 20 minutes at night, but doesn't does much if any during lights on.

Water uptake is around 20 gallons per 24 hours, sometimes more at night, sometimes more during the day.

I'm thinking the pH rise is related to uptake of nitrogen? Do plantes eat more nitrogen at night? Could my lights be to intense to interfere with feeding.
 
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