Neutro Fertiliser Set - Low tech (Large) with TerraTabs (x50)The Neutro Fertilising Set Low Tech consists of Neutro T, Neutro CO2 and Terra Tabs for a non pressurised CO2 aquariums. This is a complete set to get you started with ensuring that your tank is being fully fertilised. Neutro T 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 T is a liquid