Harvest bigger and better fruit and veg with this SM3 Seaweed Extract Get one or five 1 litre bottles Grow healthy plants with seaweed responsibly harvested from the British Isles Improve the yield, taste and colour of your crops with the Chase SM3 formula Helps to prevent pests, diseases, drought and marginal frosts Ideal for organic gardens   Buying Options: 9.99 pounds instead of 17.99 pounds for 1-pack - save 44% 49.99 pounds instead of 53.99 pounds for 5-pack - save 7%