Having a fertilizer program is essential for maintaining a healthy lawn. Alliance Agri-Turf's premium, Magic Carpet Brand granular fertilizer will provide the nutrients needed all season long. Manufactured in Bolton, Ontario, Magic Carpet 25-5-10 65% XCU is our most popular lawn fertilizer. It is an exceptional product with a slow release with a 6-8 week response time. It is also available with 1% iron.