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GimCat Hydro-Gras is a 150g cat grass kit designed to aid indoor cats in managing hairballs and supporting digestion. It provides a safe alternative to houseplants, which can be harmful if ingested. The kit includes hydro-granules that retain water, requiring only a single watering to grow fresh, soft grass within 5 to 8 days. This grass is especially beneficial for cats that do not tolerate malt pastes well. To use, fill the tray with lukewarm water, allow absorption, and place it in a warm, well-ventilated area away from direct sunlight. After the grass reaches approximately 5cm in height, an additional 150ml of water can be added to maintain freshness. GimCat Hydro-Gras is free from artificial flavors and colorings .