Mines a cheap one but it seems ok...it was like $13.00 shipped on eBay. I'm pretty new at this so I dont have any idea if its a good one or not. It measures pH as well as moisture and light intensity. Here's a link to a similar auction:
http://cgi.ebay.com/Indoor-Outdoor-S...QQcmdZViewItem
doco Reviewed by doco on . ph meter Where is the best place to find a good ph meter? Is ordering one online the best option? If so, what brand isn't a piece of shit? Rating: 5