Seachem Onyx Sand 3.5kg 7.7lb Small Bag
Seachem Onyx Sand 3.5kg 7.7lb Small Bag offers a premium natural sand solution for your planted aquarium. Its naturally dark gray hue adds an elegant touch to any aquatic environment while supporting optimal KH levels essential for freshwater planted tanks. Onyx Sand™ is rich in carbonates, providing a slight buffering capacity that can raise pH levels by 0.1 - 0.5 units, depending on the characteristics of your source water. This versatile substrate is not chemically coated or treated, ensuring the safety of your aquatic inhabitants. Whether used alone as a primary substrate or mixed with other gravels, Onyx Sand™ is designed to enhance the aesthetics and functionality of your aquarium. Plus, it's good for the life of the aquarium, eliminating the need for frequent replacements. Choose Seachem Onyx Sand™ for a beautiful, long-lasting substrate solution for your aquatic habitat.
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Seachem Onyx Sand 3.5kg 7.7lb Small Bag
- Premium natural sand for the planted aquarium
- Good for the life of the aquarium
- Supports optimal KH levels for freshwater planted aquariums
- Rich in carbonates
Overview
Onyx Sand™ is a naturally dark gray sand that perfectly complements and enhances the appearance of any aquarium. It supports optimal KH levels for freshwater planted aquariums. Although ideally suited to planted aquaria, it may be used in any aquarium environment. Onyx Sand™ is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. Gravel modifiers such as laterite are not necessary. Onyx Sand™ is not chemically coated or treated, and as a carbonate rich sand, it has a slight buffering capacity that may raise pH by 0.1 - 0.5 pH units (depending on source water characteristics). Onyx Sand™ is good for the life of the aquarium and need not be replaced.