Member15 March, 2021 at 6:58 pm
Thank you for your answers!
Meanwhile I bought a humidifier, pretty expensive. But it does its work. It runs 24h each day and I have a humidity between 40 – 50%. It’s in the middle of 3 floors, combined with an open staircase. But it still works. I felt the higher humidity directly with my harp!!! It’s much easier tuning it. 🤩