Fit for Hydroponic Seed Pods These seed growth sponges can be compatible with and most other hydroponics growing systems. and grow sponges also be used with growing trays and potted plants. It's a good use for indoor and outdoor planting plants! Easy to Use and Transplant: It is suggested that the hydroponic sponge be thoroughly soaked in water for 20-30 minutes. When plants are strong enough, they can be easily transplanted into the soil or other medium, and plants outdoors when the temperatures are perfect. High-quality Growth Hydroponics Supplies: These hydroponic refills are made of sphagnum moss. Hydroponic sponge is PH balanced, and has good air permeability and water retention, which can ensure that plants get enough oxygen and moisture to promote plant growth! Grow Anything You Like: Suitable for the growth of various types of plants, vegetables, herbs and flowers, such as tomatoes, peppers, coriander, rosemary, perilla frutescens, basil, lettuce, cucumber, mint, parsley, etc. You can start your own garden and hydroponic garden system, enjoy a healthier life. Material: plastic colour: transparent Package Contents: 30 x planting baskets 30 x planting cotton 30 x stickers 30 x hoods 1 x tweezers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.