YEE Bio Quartz Bacterial Sphere Ball Aquarium Filter Media, 1L with Net Bag

• Rich porous structure, increase the surface area of the filter material
• Abundant tubular pores, increase the oxygen content in the water
• Reduce hydrogen sulfide toxicity, regulate pH level via unique adsorption of ammonia nitrogen or heavy metal ion, sieving, exchanging anion & cation and catalytic performance
• Adding high-quality minerals which is conducive to the release of trace elements

How to use:-

1) Please wash this product several times with clean water before use and put it in the filter 2) Put this product behind the filter cotton. 3) Start the filtration. 4) This product is suitable for fresh water and seawater aquariums.