CANNA Classic has an awesome reputation among countless growers worldwide. Use for plants grown in all inert hydroponic mediums and systems recirculating or non-recirculating. The fertilisers in the CANNA Classic line are particularly suitable for plants growing in rockwool, glass wool, perlite, clay pebbles and other similar mediums. The CANNA Classic nutrient line is uniquely crafted for use with tap water. As a result CANNA Classic nutrients prevent accumulation of salts from tap water which are damaging to the plant and the environment. CANNA Vega and CANNA Flores contain everything the plants need guaranteeing maximum yields.