Plagron Hydro A 1L
Instructions Shake well before use. Add a maximum of 1.6 ml (0.32 teaspoon) Hydro A 4-0-2 per 1 litre (0.265 gallon) of water (1:625) or add a maximum of 6.4 ml Hydro A 4-0-2 per 1 gallon of water. With every application of Hydro A 4-0-2 use the same quantity of Hydro B 1-4-8. Use this combined solution each time the plants are irrigated.