Inquiry (采购产品): hand held ph indicaters we need a machine for checking the ph of each batch of salsa. having a hard time finding one.Would like to spend <$200 if possible and will need directions with it on how to calibrate. we are new at this! Thanks so much. Tess warren of Mas Bien Salsa **** Hidden Message ***** Tess Warren 480 Hendry Cemetery rd Ochlocknee, GA 31773 USA Company: Mas Bien Salsa Title: owner Phone: 229-225-9208 Fax: wk/office 229-225-3455 E-mail: masbiensalsa@earthlink.net **** Hidden Message ***** masbiensalsa@earthlink.net