What is aquasoil and why do you need it? Aquasoil is a specially formulated aquarium soil that helps plants flourish by absorbing nutrients from the water. It provides the ideal foundation for your plants, ensuring healthy growth. Whether you’re looking for fine aquarium sand or pebbly white sand, we’ve got a range of substrates that not only enhance the look of your tank but also support the health and wellbeing of your aquatic friends. Come explore our collection and find the perfect substrate for your tank!