Product Overview

Premium 2-4mm natural Bali sand designed for marine and reef aquariums, providing a stable and aesthetic substrate for high-flow environments. , Reef Core Bali Sand (2-4mm) is a premium, natural substrate specifically selected for marine and reef aquarium environments. This coarse-grade sand provides a beautiful, authentic seabed appearance while offering functional benefits for your ecosystem. The 2-4mm grain size is particularly effective in high-flow reef tanks, as it is heavy enough to resist being moved by powerheads while providing an expansive surface area for beneficial nitrifying bacteria to colonize. Its natural composition helps maintain stable water parameters essential for coral health.

Key Features

• Natural marine origin for an authentic reef aesthetic
• 2-4mm grain size ideal for high-flow aquarium setups
• Provides a large surface area for biological filtration
• Helps support stable pH and alkalinity levels
• Resistant to shifting under standard wavemaker currents

Suitable For

Reef Aquariums
Marine Fish-Only (FOWLR) Tanks
African Cichlid Aquariums
High-flow marine environments

Usage Instructions

Rinse the sand thoroughly in a bucket using freshwater or saltwater until the runoff is clear.
Turn off all pumps and powerheads before adding to the aquarium.
Gently place the sand onto the bottom of the tank to achieve the desired depth.
Allow any remaining cloudiness to settle before restarting filtration.

brand

Reef Core

grain_size

2-4mm

material

Natural Bali Sand