Nitrifying Capsules for Ornamental Fish Six Major Strains Improve Cultivation Efficiency Avoid Algae Production Features: brand new and high quality 1. Contains 30 pieces or 80 pieces aquarium nitrifying capsules. 2. Our product can effectively remove fish waste, removal of nitrates, phosphates, moss, and etc., to reduce water pollution and improve water quality. 3. Particularly suitable for use to start a new aquarium, for both freshwater and saltwater. 4. It helps the for tank quickly produce beneficial 5 For new for tank, use 2 pieces for every 100L water. Do Not use too much. Suggest to turn on the after adding. For every 7-10 days, use 1 per 100L water. Specifications: Material: Nitrifying Color As Pictures Show Size: Bottle Size Approx.5x8cm/1.97x3.15in Weight: 30 Pieces-Approx.70g 80 Pieces-Approx.125g Package Includes: 30 Pieces of Nitrifying Capsule or 80 Pieces of Nitrifying Capsule note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!