Hydroponics Seed Growing Media Sponges is a good seed starter. Perfect for starting new plants from seed or hydroponics.
Sponges Dimension: Diameter about 32mm (1.3inch), Height about 30mm(1.2inch). They well fit for the 1.8" and 1.9" Mesh net pots baskets.
Package included:100PCS Cylindrical Sponges. Sponge block cut openings for easy clip seedlings, nursery.
Made of environmentally friendly and non-toxic material,Their color is ivory white but when they touch the air, the color may become the light yellow. This case is normal. It won't influence the using of the sponge. Please don't worry.
Great equipment for Soilless cultivation,easy to use. Perfect for indoor garden Hydroponic plants and planting vegetables.