I got an email from CheapHumidors.com today advertising a Digital Hydrometer that you can adjust after you do the salt calibration test.
Has anyone bought and used this yet? I dont know if other places have them, but this is the first one Ive seen. They are listing it for $25.00
http://www.cheaphumidors.com/Merchant2/merchant.mvc?screen=PROD&Store_code=ch&Product_code=HYGROSET&category_code=hygrometers
Has anyone bought and used this yet? I dont know if other places have them, but this is the first one Ive seen. They are listing it for $25.00
http://www.cheaphumidors.com/Merchant2/merchant.mvc?screen=PROD&Store_code=ch&Product_code=HYGROSET&category_code=hygrometers