Pure Liquid Seaweed Tonic

Bring vitality and resilience to your garden with Johnsons Pure Liquid Seaweed Tonic. This highly concentrated formula contains 40% alginates along with Nitrogen, Magnesium, Potassium, and Phosphate to promote strong growth and help plants thrive. It aids nutrient absorption, boosts resistance to pests and diseases, and supports frost protection.

Use on vegetables to extend shelf life, or on cut flowers to prolong freshness. Available in a 1ltr bottle making up to 500ltr of feed, it offers a tried-and-tested solution for gardeners seeking vibrant, healthy plants season after season.