Fill a bowl with water. Remove the top of the Blumat Put both the top and ceramic cone into the bowl to soak for at least 15 minutes.
Holding the cone and cap underwater, knock out the air bubbles in each piece and press the top on tightly.
Push the ceramic cone completely into the soil. Extra large plants should be provided with two or three cones.
Put the hose right to the bottom of a full container of water. Add a little liquid fertilizer if necessary.
The level of water in the container should be level with or below the green cap. Raising or lowering the water container increases or reduces the flow rate.