! Need some tips about ipa/apa flavor !!

Well. My ipa’s/dipa’s/neipa’s/no matter what lose it aroma on 7’th day of maturing. Have a 500 liters kitchen with 12 tonnes of lagertanks
Also have the hopgun with 100l volume.
actually the question: on the fourth day after dry hopping, the aroma disappears completely, regardless of the quantity or grade of hops, the temperature or the duration of maturation, WTF?
what are the conditions for a good flavor on complete product?
Thanks

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Are you bottling or kegging?  I’ve been having a similar issue with bottling and oxidation is a big culprit.  How do you know which day the aroma disappears and how are you able to smell it?

Oxidation is most likely the culprit. Make sure you aren’t introducing oxidation when you dry hop.