Hydroponic Black Grow Sponge
Hydroponic grow sponge is used for seed germination. It is the special germination medium as it minimized roots damage during transplanting and separation of seedlings.
- All sponges are specially vacuum packed for hygiene storage.
- Perfect pre-cut to 30mm X 30mm cubes. (60 cubes per pack)
-Uniquely made in black color to minimized the algae growing.