JBL Ferropol 7+13 Root Balls Pack Size:7+13 Balls To use: depending on the

To use: depending on the size of the plant

• Precise electronic thermometer

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You can add more media to your biOrb to increase the area for filtration

JBL Ferropol 7+13 Root Balls Pack Size:7+13 Balls To use: depending on theProduct Description Primary care for plant roots: specially produced clay balls loaded with nutrients, for freshwater aquariums Storage capacity for nutrients. No deficiency symptoms: important trace elements such as iron, minerals Optimal promotion of plant growth means less algae growth. No phosphates and nitrates The stronger the root development of the plant, the better the nutrient absorption through the roots Package contents: 1 pack The 7 + 13