Find the lowest price for:       All ProductsTest Kits     4.5 (1)   Add a review Tropic Marin Phosphate Test Kit   Phosphates are an important food component of all plants and absolutely necessary for the metabolism of every living cell. If the plants do not take up enough phosphate, then the equilibrium of the phosphate cycle... Price: $14 to $22 Compare Prices at 7 stores Compare Prices Product Spec Member Reviews Recommend to Friends Searched Tropic Marin Phosphate Test Kit in Reviews   You must log in to review or click here to register Username:   Password:   Remember Me?     Great for high levels. General Easy to tell what the values are for >.05 ppm. When you are testing for values Liked about it Shades of blue easy to tell apart. Didn't like Shades of yellow are difficult to tell apart for low PO4 values. Overall rating:   4.5 Overall satisfaction:   4.0 Would consider buying it again:   5.0 By hawaii4485 Jul 14, 2009   Ask hawaii4485 a question about this item. Was this review helpful to you? Report this review   Price: $14 to $22 Compare Prices at 7 stores     Something wrong in this page? Let us know! Related products: More Tropic Marin Test Kits Other Test Kits internal use: spec410