Natural Color Filter Material, 4 x 18 cm

• Brand: Natural Color
• Filer Media
• Size: 4 x 18 cm
• Color: Gravel grey 

This product is a multi-purpose filter material with biological and mechanical properties. This product is above grade quartz sand as raw material, and the special precision pore structure is fired by ultra-high temperature technology; it has an effective surface area and rapid permeability several times equivalent to ordinary filter materials, and contains a variety of elements such as potassium, sodium, and calcium. , Magnesium, etc., provide the best environment for the production of nitrifying bacteria. The special shape design of this product can ensure the best water flow. The special ultra-microporous structure provides nitrifying bacteria with a larger attachment and parasitic area to achieve the purpose of high-speed bacteria culture , effectively purify the water quality, and maintain the aquarium. Ecological balance; it also helps to maintain the PH value of the water body at a standard level, so that the water quality can be maintained in a surprisingly high-quality state for a long time , so that aquarists do not need to change the water for a long period of time.