Dosage calculator for Seachem products. Simply entire in your aquarium parameter to calculate proper dosages. This app is not licensed nor endorsed by Seachem Laboratories, Inc. Open source at: https://github.com/NateShoffner/Seachem-Doser Supported Products: Gravel - Flourite - Flourite Black - Flourite Black Sand - Flourite Dark - Flourite Red - Gray Coast - Kona Coast - Merdian - Onyx - Onyx Sand - Pearl Beach - Silver Shores - Flourish Sand Planted - Akaline Buffer - Equilibrium - Iron - Liquid Alkaline Buffer - Nitrogen - Phosphorus - Potassium - Trace Reef - Reef Advantage Calcium - Reef Advantage Magnesium - Reef Advantage Strontium - Reef Buffer - Reef Builder - Reef Calcium - Reef Carbonate - Reef Complete - Reef Iodide - Reef Strontium - Reef Fusion 1 - Reef Fusion 2