Phos-Zorb is a special filtration material that selectively removes phosphate and silicate, common nutrients found in fresh and saltwater aquariums. In saltwater aquariums, excess phosphate lowers the available calcium and magnesi...
Bio-Chem Stars® - 10 count - for fresh and salt water:
Grows massive colonies of beneficial bacteria
Provides more growing area than plastic balls, foams or undergravel filters
Advanced polymer material has optimal pore s...