Pro-Kleens Grass Green is a professional-grade superfood formula to make your grass look rich, green and strong! Its packed full of NPK nutrients to make sure your grass grows stronger, greener and faster than ever before. Pro-Kleens Grass Green is packed full of the nutrients your grass needs to grow strong and vibrant. Our unique formula contains 20% Nitrogen, 5% Phosphorus, 10% Potassium, 2.5% Magnesium and 2.5% Calcium. For your grass to do its best, it needs to have the right amount of nutrients. Pro-Kleens Grass Green contains Nitrogen to encourage healthy leaf growth and promotes healthy roots and stems to keep your grass strong. Phosphorus helps to maintain strong root growth and keeps your grass growing to make sure it's as healthy as possible. Potassium protects your grass against cold and harsh weather conditions as well as preventing disease all year round. Magnesium helps to promote a strong green colour and maintains the perfect pH balance your grass needs to thrive. Calcium helps to prevent disease for healthy and long-lasting green grass! Pro-Kleens Grass Green contains both fast and slow-release nitrogen. The slow-releasing nitrogen helps to prevent excessive growth so theres no need to worry about having to mow your lawn more than usual. The slow-releasing formula also helps to maintain your lawn for a longer period. ProKleen Grass Green Lawn Granular Professional NPK Fertiliser 3 x 2.5KG