Neutro Fertilising Set - High Tech (Large) with TerraTabs (x50)This is a complete set to get you started with ensuring that your tank is being fully fertilised. Neutro+ is your plant fertiliser, Neutro CO2 is your liquid source of carbon and the TerraTabs are for fertilising your plants from the roots up. When you buy like this, you make yourself a little saving too! Neutro+ is a liquid aquarium plant fertiliser that provides all the necessary trace elements and macro nutrients for your high tech planted