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JBL’s Manado gravel is a clay-based substrate specifically engineered for use in freshwater and planted aquariums. Manado gravel possesses inert and porous qualities, with its primary advantage lying in its capacity to effectively absorb surplus fertilizers and nutrients from the water column. These absorbed nutrients are retained within the gravel layer, providing an essential resource for the nourishment of plant roots. This advantageous feature not only reduces the potential for undesired algae proliferation but also ensures a greater nutrient supply available for your aquatic plants.

  • Perfect for the plant care in freshwater aquariums. Its porous structure promotes the growth of roots. Suitable for digging fish
  • Nutrient buffer with high iron content. Is capable of storing excess nutrients, to release them again when needed. The high iron content is absorbed by plant roots
  • Activates the soil flora by motivating the quick and effective colonisation of beneficial ground bacteria. This inhibits the growth of unwanted algae, reducing the work-load on the filter and ensuring crystal-clear water
  • Accentuates the beauty of the fish: its dark-brown tone highlights their colours and combines with the green and red tones of the aquatic plants to create a harmonious appearance
  • Ready-to-use substrate which needs to be rinsed once in tap water before use. Available in various packaging sizes