WYSKONT Aquarium Sand Gravel 15 kg Fish Tank Natural Substrate and Decoration Fertilizer for Plant Growth 100% Safe Live Organisms Black Grain Size 0.6 1.2mm

🐟 Aquarium Sand: The offered sand gravel is suItable for all biotypes. It is recommended especially for plant aquaria. It can also be used in agriculture as natural plant fertilizer. ✨ Natural Beauty: Our sand is 100% natural and is not artificially coloured. The dark colour of the sand contrasts amazingly with the green plants and living organisms, making them look more colourful. Due to the fact that it is a natural stone, the grains can have a brown tinge. 💦 Water Purity: When it comes to sand gravel, you don't need to rinse it thorouGhly. Just pre-wash it in cold water, put it in the aquarium, add water, and turn on the filter. After a few hours, the water will crystallise and stay that way. 🌱 For Plants: The sand gravel has the properties of a natural fertilizer and ensures very good rooting, rapid growth & attractive appearance of plants. ⚫ Safe: The offered sand does not affect water parameters, such as Gh, Kh, Ph values. It is free of harmful substances and chemicals and as such 100% safe for all living organisms.