Fertilizer sticks for green plants 30 pcs. Fertilizer sticks for green plants 30 pcs. is a concentrated fertilizer in convenient stick form. Simply place a stick in the pot to activate the release of minerals essential for proper green plant growth. The packaging allows for multiple, convenient removal of subsequent sticks. How to use? Use is very simple - just press the stick into the pot. The sticks work for 100 days. The number of sticks should be adjusted to the size of the pot: pot with a diameter of up to 12 cm - 1 pc. up to 15 cm - 2 pcs. up to 18 cm - 3 pcs. up to 21 cm - 4 pcs. for larger pots, more accordingly balcony boxes - 1 pc. every 6 cm. INGREDIENTS: NITROGEN 12%, PHOSPHORUS 6%, POTASSIUM 9% with trace elements