Turn your dull and dying grass into strong, green grass in no time with Pro-Kleen Iron Sulphate and Lawn Tonic 10L. Pro-Kleen's Law Tonic is used by greenkeepers, lawn keepers, park keepers and sports groundsmen to allow them to get the perfect pitches and green lawns! Lawn disease is a common problem in the UK and causes many people's gardens, pitches or outdoor spaces to develop dying and brown grass. Pro-Kleen Lawn Tonic is thoroughly revised, tried and tested and is sure to harden the turf to prevent lawn disease from occurring. The formula is super concentrated and comes in 5L bottles, ensuring a little goes a long way! It also makes it easier to dilute to your required amount (depending on the size of the area that needs to be covered). Transforming your grass has never been easier. Pro-Kleen Lawn Tonic is extremely easy to use! Mix the suggested dosage with water and use a pump sprayer or a watering can. Apply it to the grass that you wish to treat. After it has been applied, simply wait for the results to appear! It is that easy.