Super Activated Carbon With Artificial Blue Spotted Betta Plant. For Freshwater, Marine & Reef Aquariums, Fish, Corals, Plants & Inverts. 12 Ounce Box - Three 4 Ounce bags For Aquarium Filters Super activated carbon with Bonus Artificial Blue Spotted Amazon Sword Betta Plant for freshwater aquariums, marine aquariums & reef aquariums containing sensitive fish, plants & invertebrates. Three 4 ounce bags. Use in aquarium filters, terrarium filters, & hydroponic systems Super-Activated carbon granules absorb many disolved containinants, odor, toxins, and discoloration. Use with Aquarium Masters Bio Rings media to promote colonization of beneficial bacteria essential to a healthy aquatic environment Other Aquarium Masters & Blue Spotted items to consider, air line tubing, fish net, submersible heaters, refugiums, nirate pad, ammonia pad, polyfiber pads, power filters, air stones, bio-rings, UV sterilizer, heat pads, & heat lamps Convenient 12 ounce size package, contain three 4 ounce bags. Designed to more effective in removing harmful chemicals, increasing the health of your pets