Ultum Nature Systems

Controsand Substrate - Kona

Grouped product items
Kona Controsand - 3L

SKU: 253712

In stock


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Kona Controsand - 8L

SKU: 253713

In stock


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Unleash Nature's Beauty with UNS Controsand

  • Accent Gravel (3 - 5mm Grain Size)
  • Use as a Complementary Foreground Accent or Alone
  • Mix and Match with other UNS Substrates for Unique Detailing


Controsand is a natural substrate custom blended for freshwater aquarium and terrarium use. Made available in various tones and granule sizes to achieve the perfect aquascape, it is safe for fish, invertebrates, and reptiles. Use in conjunction with Ultum Nature Systems Controsoil aquarium plant substrate to achieve optimum results.

The Kona variety of Controsand is a rounded pebble gravel designed for freshwater aquarium use. Kona’s deeper tones can be used as a supporting feature or to create excellent contrast. Like other Controsands, Kona can be used alone or mixed with other substrates for a custom look in planted tanks, terrariums, paludariums and more.

Approximate Grain Size: 3 - 5mm


Tank Size Recommendations

3 Liters: 9-Gallon aquariums such as the UNS 45U Rimless Aquarium

8 Liters: 20-Gallon aquariums such as the UNS 60U Rimless Aquarium


Dry vs. Wet Color Comparison

UNS Controsand Kona - Dry vs Wet Comparison

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