A container for controlling release of a soluble fertiliser comprising a first chamber for collecting and holding water, and having an open top and a solid bottom with an orifice that allows water flow freely at a desired rate; a second chamber below the first chamber for receiving water therefrom to dissolve fertiliser held therein, the second chamber having a solid bottom with an orifice through which fertiliser solution can flow in a controlled manner and a perforated plate for holding undissolved fertiliser, the plate is disposed within the chamber and separating the chamber into an upper compartment and a lower compartment; and a third chamber below the second chamber and receiving dissolved fertiliser therefrom, the third chamber having a perforated bottom, the perforations are configured to allow the dissolved fertiliser to pass through while preventing foreign solid particles from entering the container.