YANHE Water Purifier Cube for Fish Tank,Activated Carbon Cube,4X4X4In 2pcs，eco Aquarium Water Purifier Cube，800mg/g Iodine adsorption Capacity

✅ Fragile item! Do not use if damaged on arrival. Contact us for Please contact us via email, and we will send you a replacement. There is no need to return damaged items; you can crush them, put them in a bag, and they can also be used as filter material.

🐎2026 water purifying cube(4x4x2in; 2-pack) featuring critical upgrades: hardness+10% increased strength preventing underwater crushing.and 100% improved purification efficiency(800mg/g Iodine Adsorption vs. 400mg/g).

Multi-System Application Versatile water purifier cubes for horse trough and aquarium water purifier cube solutions! Effective for: ✅ Horse troughs & livestock tanks ✅ Aquariums, fish tanks, and aquatic habitats ✅ Waste gas/air purification & formaldehyde removal Simply immerse cubes directly in water sources.

🐎 Eco-Safe Filtration Non-toxic and eco-friendly – our horse trough water purifier cube and aquarium water purifier cube ensure safe, clean drinking water for large animals (horses, livestock) and delicate aquatic life without chemical residues.

⚠️ Optimal Usage Protocol Maximize your aquarium water purifier cube or horse trough water purifier cube efficiency: Position near water inlet pumps (grid facing upward!) Never orient filter grid downward to prevent clogging Rinse or replace every 90 days for peak performance