Potassium Deficiency ?

Hey guys Im mid flower with banana daddy auto in coco in autopots. They have been getting huge and drinking a whole reservoir every 3-4 days

Ec is running 1.9-1.92

Canna ab @7ml/ gallon
Cal mag @ 2ml/gallon
Epsom salt @ 1/8 tbsp gallon
Canna Pk@ 2ml/ gallon

I know the pk is low but I had read a different tek of using all thru flower at lowe doses


I just upped pk to 6ml a gallon, right in line with recommendations

Was I right?
 

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