hi i have a plant in an nft system and at 1st i thought it was showing signs of nute burn but it cant be that as the ec is dropping every day so i took that to mean it was hungry plz correct me if im wrong i also had the pump on a very low setting i have now adjusted that to a flow rate of 1 ltr per min as that's what i read on the canna web site i check the ph and ec every day and always set the ph at 5.2 when i change the rez and it rises to 6.1 over a period of time but never higher as the canna aqua has a ph stabliser in it i am using a 600w light in a 120x120x200cm grow tent have recently added a 5" extractor fan and carbon filter any ideas anyone oh i do a rez change once a week and there are plenty of really healthy roots thanks in advance for any help given JTT
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