Doff Azalea, Camellia & Rhododendron Feed is especially formulated to maintain healthy growth and large blooms in acid loving plants of all types. The plant feed can be used as a tonic preventing the yellowing of leaves caused by the lack of iron. Regular application in certain soils will improve growth. Complete feed for acid loving ericaceous plants and shrubs Makes up to 300 litres of tomato food NPK Fertiliser Solution of 6-3-7 Bottle Contents: 1 litre