White Vulcan Rock MBreda have predominant white color.

The line of White Vulcan Rocks MBreda® was developed especially for the Marine aquarium.

Manufactured with special methods that create pores and cavities in the rocks, providing unique and natural looking rocks, similar to marine rocks.

The high porosity of White Vulcan Rock MBreda provides large surface areas for beneficial bacteria to colonize. They help in the biological filtration of the system, and can be compared with biological media.

Due to its low density and high porosity, White Vulcan Rock MBreda retain water inside, changing their weight in relation to moisture.

White Vulcan Rocks are sold by volume:

• Rocks M 1 L
  
• Rocks G 2 L
• Rocks XG 4 L

Each 1 liter of White Vulcan Rock MBreda® has a volume equivalent to 2.6 kg of common rock. Volume-by-density comparison with natural Black Rock.

Approximate size of rocks in centimeters

L x W x H (Length, width, height)

• Rocks M approx 20 x 10 x 10 cm
• Rocks G approx 25 x 15 x 12 cm
• Rocks XG approx 35 x 20 x 15 cm
• Rocks XXG approx 40 x 30 x 20 cm

Rocks with alkaline pH.

Composition: Limestone and special aggregates (structural white cement, calcium carbonate, powdered perlite, expanded perlite).