High quality sand / substrates from Unipac Supplied in 2.5kg, 5kg, 12.5kg and 25kg bulk quantities - choose when purchasing Sand is normally measured in microns (µ) and 1000µ = 1mm Sand grain size is approximate only. WHITE SAND - 500µ to 600 µ (0.5-0.6mm) BLACK SAND - 500µ to 600 µ (0.5-0.6mm) SILVER SAND - 300µ to 400 µ (0.3-0.4mm) AQUARIUM SILVER SAND - 150 µ to 250 µ (0.15-0.25mm) SILICA SAND - 1500 µ to 2000 µ (1.5-2mm) NYASA- 1000 µ to 1200 µ (1-1.2mm) LIMPOPO BLACK - 1000 µ to 1200 µ (1-1.2mm) KIVU - 800 µ to 2000 µ (0.8-2mm) TANA - 800 µ to 2000µ (0.8-2mm) MAUI COARSE - 1000 µ to 2500 µ (1-2.5mm) SAMOA FINE - 1000 µ to 1600 µ (1-1.6mm) Sand requirements guidelines General guideline for approximately 1" of sand depth in your aquarium 60cm / 2ft = 12.5kg 80cm / 2.6ft = 15kg 100cm / 3.3ft = 17.5kg 120cm / 4ft = 20kg These are approximates and you may want to have a deeper or thinner layer of sand.
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