Find the lowest price for:       All ProductsTest Kits     0.0 (0)   Add a review Tropic Marin Ammonia Test Kit   The ammonium-ion (NH4+) is the result of nitrogen mineralisation and exists with ammonia (NH3) in an equilibrium depending on the pH-value. Nitrogen organically bound in fish food remains and excrement is converted... Have a question? Ask the Experts! Compare Prices Product Spec Member Reviews Recommend to Friends Edit the spec Category Tropic Marin Something wrong in this page? Let us know! Related products: More Tropic Marin Test Kits Other Test Kits internal use: spec410