Cat Plant Pots: Pet Grass Planting Tray --- Hydroponic System You can grow the cat grass you want , no soil required Germination Tray Cultivation Set: This hydroponic cat grass plant box is very convenient and clean to use, making this box a good pet helper. Practical Cat Grass Pots: Indoor cat grass planter, take out the plant and add water directly, which is very convenient and saves time and . Pet Cat Plants: The home cat grass planter has a large planting area, which is convenient for cleaning and replacement.