versach000
New member
cheap pH Monitor
what do you think about this?
anyone have experience??
http://cgi.ebay.com/pH-Meter-Adaptor-Electrode-All-Day-pH-Monitor-W5A_W0QQitemZ280344774819QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item4145d9c8a3&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A10%7C39%3A1%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50
http://cgi.ebay.com/Digital-PH-Meter-Hydroponic-Tester-Aquarium-Monitor-Spa_W0QQitemZ230343211326QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item35a186793e&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A10%7C39%3A1%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50
what do you think about this?
anyone have experience??
http://cgi.ebay.com/pH-Meter-Adaptor-Electrode-All-Day-pH-Monitor-W5A_W0QQitemZ280344774819QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item4145d9c8a3&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A10%7C39%3A1%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50
http://cgi.ebay.com/Digital-PH-Meter-Hydroponic-Tester-Aquarium-Monitor-Spa_W0QQitemZ230343211326QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item35a186793e&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A10%7C39%3A1%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50
