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July 17, 2019
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Product Detail

Item#: SC149 •NEW•
  Type Use:
  Units/Case: 1
  Wt Each: 4.91
 



Product Name: Onyx Sand 3.5kg (7.7lb)
Category: Gravel & Substrates*
Subcategory: Plant & Shrimp Substrates
Manufacturer: Seachem
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.

Set-up

Although it is pre-washed, because Onyx Sand is a natural product, it may become dusty in transit and require rinsing before use to remove any residual dust.

When adding water to aquarium, fill slowly to avoid disturbing Onyx Sand substrate bed. Place a bowl in the aquarium and add water directly to the bowl, allowing water to overflow softly on to the gravel bed. Initial cloudiness is normal. To remove cloudiness, use mechanical filtration (such as filter floss). Use Clarity to accelerate clearing.
 



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