for our Ph Tester, generally we offered PH4.00, PH6.86, PH9.18, powder 3 packets for each unit. Pls take a look our package photo, yo will see it what look like:

חדשות אחרונות
צור קשר
טל: +8618822802390
דוא"ל-:admin@gvda-instrument.com
WhatsApp: 8618822802390
הוסף: חדר 610-612, בניין העסקים Huachuangda, רובע 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
Mar 28, 2019
for our Ph Tester, generally we offered PH4.00, PH6.86, PH9.18, powder 3 packets for each unit. Pls take a look our package photo, yo will see it what look like:

אולי גם תרצה