| Instrument | double bass |
| Type | Spare part |
| Item number | STR-1053D |
The neck angle, bridge and pegs of a string instrument shift with humidity and temperature. In dry air the maple of the scroll shrinks, so that pegs slip 1 to 2 mm deeper; ebony reacts much less. In humid air, by contrast, the pegs become stiff.
An instrument leaves the workshop with a wood moisture content of 7 to 10 per cent.
Stretto stores the water in a gel held in a pouch. For a longer break the pouch belongs in a watertight plastic bag.
Our experience: Stretto is a winter companion for us, whose season begins with the heating period in September. We carry Stretto because the gel holds plenty of water and humidifies the case quickly and evenly.
Our rule of thumb is 40 to 50 per cent relative humidity at around 20 °C; up to 60 per cent is unproblematic. Below 30 per cent, as in heated air in winter, it becomes critical.
One filling lasts up to around a month depending on the room climate; the pouch itself stays in service for at least two years in central European air. When the gel takes noticeably longer to soak up water, it is time for a replacement pouch.
These texts hold decades of experience and a great deal of heart. They are protected by copyright, C.A. Götz jr. GmbH. Please ask us before any use. Thank you for your appreciation.