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Hydroponics CANNA ADDITIVES PK 13/14 Plant Nutrients 5L Litre

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RDWC - nutrients uptake drops after 4 days

Setup: rdwc
Nuts: current culture
Nutrient schedule (4th week flo) : coco 2.5ml, A 6ml, B 6ml, Mid, 3ml / gallon

Auto top off for RO water and I inject nutrients each hour to keep it steady.

Right after I do a full flush, nutrient uptake is fast, they are hungry... After 4 days, uptake drops and ppm starts to raise slowly, I have to stop injection.

On flush, I do add a bit of epson salt and silica... But nothing on add-back.

Is it normal after only 4 days?? Would you add epson after 3...

RDWC - nutrients uptake drops after 4 days


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