House & Garden Top Booster has been precisely designed to alter the nutritional ratio of your feed according to plant demands. This encourages a more enthusiastic reproductive cycle (floral growth) from the plant. The PK aids in; fruit set development, fruit bulking, stem and root expansion and uptake of other minerals. Top Booster also incorporates a specific form of Eddha-Fe (Iron) as this reduces chlorosis in leaves and triggers the production of autumn hormones, namely ethylene, to promote additional floral development and to regulating the ripening of fruit.• Better than straight PK13/14 with additional Eddha-Fe (Iron)• Improves plant respiration• Stimulates flowering• Initiates flowering• Larger fruits Dilution Rate: 1.5ml per litre