Harmless Plant Holders Aquariumsafe materials: designed with safe, aquariumgrade materials to protect aquatic life and support a healthy plant–fish balance over time. Suitable for worry, longterm setups. Comprehensive Fish Plant Aid Flexible, allinone function: accommodates varied needs by creating separate fish zones, enabling hydroponic planting, securing plant roots effectively, and providing reliable fish isolation within an innovative aquarium plant holder design. SpaceSaving Design Versatile compatibility: fits both square and round tanks. Holds plants securely with a snug fit against tank walls, maximizing usable space inside the aquarium environment. Efficient Water Movement Enhanced circulation: side slots promote proper water flow and bottom holes support water movement, helping maintain cleanliness and improve nutrient delivery for a healthier aquatic environment. 23 Practical use scenarios Community tanks: use to separate fish from plant roots while allowing healthy water circulation, enabling thriving plant growth without disturbing resident fish. Spacelimited or nano tanks: ideal for square or round small tanks where mounting plants against the walls frees substrate space and keeps plants stable. Hydroponicintegrated aquariums: supports hydroponic planting zones within the aquarium, providing reliable plant support while isolating fish as needed for safety and balance.