The "clean" growing soil with optimal nutrient supply ... With the seedling tablets, growing is a clean process: Simply put the pressed soil into a plant pot and let it swell with approx. 0.1 litres of water for 5 to 10 minutes. The seed can then be pressed into the moist soil. This contains all the important nutrients for good plant development. Material: soil mixture, fertilised Measurements: dry: Ø 4 x 1.6 cm Age restriction: 3 years