Unipac Tonga Coarse Sand 20kg is a high-quality, natural substrate perfect for aquariums. With a coarse grain, this sand offers an ideal balance between texture and functionality. Its natural colouring blends seamlessly into aquatic environments, creating a stunning and authentic look for your tank while allowing your fish and critters to feel right at home. As a result, this gravel is perfect for those who favour a more natural and authentic scape. Benefits of Sand or Gravel in the Aquarium. Adding sand or gravel to your aquarium is essential for creating a comfortable habitat for your aquatic pets. A substrate like Unipac Tonga Coarse Sand provides a natural surface for fish and critters to explore and encourages natural behaviours like foraging and burrowing. It is especially beneficial for species like corydoras, shrimp, and other “clean-up crew” critters, giving them something to scavenge through. Additionally, sand and gravel serve as a home for beneficial bacteria that help maintain a stable and healthy environment for your pets, along side your filtration system. Why Pick Tonga Coarse Sand 20kg? Choose Tonga Coarse Sand 20kg for your aquarium to ensure a safe and effective substrate. This gravel is an excellent choice for tropical tanks, offering natural colours that won’t overpower your aquascape. Unlike some other brands, Unipac sand is non-calcareous, meaning it won’t affect the KH (carbonate hardness) or pH levels in your tank. This ensures a stable environment, free from the pH and KH swings that calcareous substrates can cause—especially in smaller tanks. Unipac Sand is a reliable and versatile option, safe for a wide range of species and setups. Useful Products Unipac Tonga Coarse Sand 20kg, is also available in different volumes. You can also find a finer grain size. Here are links to: 2kg, 10kg and 20kg bags. Keep your substrate clean with gravel cleaners Scape your tank the way you like it with scaping accessories
