Find Reviews and Compare Prices for:       All ProductsTest Kits     5.0 (1)   Add a review Sera Carbonate Hardness   Makes it easy to monitor the carbonate hardness in fresh and salt water. Price: $2 to $7 Compare Prices at 2 stores Member Reviews Compare Prices Product Spec Send to a friend Searched Sera Carbonate Hardness in Reviews   You must log in to review or click here to register Username:   Password:   Remember Me?     Works well, consistent Comments Great test kit. Good value and works well. It is a little narrow on its reasolution, only measuring in 1 point readings. Liked about it Works well and is reasonably priced. Consistent quality Didn't like Doesn't last long, the drops are quite large. Overall rating:   5.0 Overall satisfaction:   5.0 Would consider buying it again:   5.0 By Fat Tony Sep 17, 2009   Ask Fat Tony a question about this item. Was this review helpful to you? Report this review   Price: $2 to $7 Compare Prices at 2 stores     Something wrong in this page? Let us know! Related products: More Sera Test Kits Other Test Kits internal use: spec552