Out of stock
- Innovative combination of aluminum oxide and granular ferric oxide
- Removes phosphate quick and reliably
- Not chemically coated or treated
- Does not need to be replaced
In stock, only 15 left
- Natural and economical nitrate remova
- By both aerobic and anaerobic process
In stock, only 20 left
- Removes phosphates and silicates
- Can be used in freshwater and marine systems
- Easy and safe usage