Let me guess...The second ENT specialist is a young newbie.
Since you do not have any symptoms, just doing Jala Neti with warm saline with intranasal corticosteroid sprays and oral antihistamines should suffice for the next 6 months.
Next Steps
Please subscribe to my YouTube channel DrGladsonExplains. There are quite a few videos on Allergy and Sinonasal Disease and one on Jala Neti.
Health Tips
here are the Amazon links to purchase Jala Neti bottle and Jala neti salt.
https://amzn.in/d/8Zp6JIi
https://amzn.in/d/awK6M3X