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... Have a question? Ask the Experts! Compare Prices Product Spec Member Reviews Recommend to Friends Category Tropic Marin Aquarium PharmaceuticalsElosHagenInstant OceanLaMottePentair AquaticsPondCareRed SeaSalifertSeaChemSeraTetratestTropic MarinTunze--------Suggest a new option Something wrong in this page? Let us know! Related products: More Tropic Marin Test Kits Other Test Kits internal use: spec410