Alfagrog is a Porous Ceramic Filter Media - lightweight strong & inert.
It's high surface area makes it the natural choice for colonisation by micro organisms in biological filtration systems resulting in cleaner water.
Benefits of Alfagrog over other filter media:
- Extremely high surface area
- Highly porous
- Inert, pH neutral
- Available worldwide
- Grade size approximatly 40mm
- Available in 15kg sacks
The Alfagrog range of porous ceramic filter media is made under controlled conditions in the UK.
Selected clays and raw materials are rapidly sintered at high temperature to produce a foamed ceramic porous mass, which is crushed and sieved to a convenient particle size.
Alfagrog is available in either 25mm or 40mm sizess giving the end user optimum media surface area in varying water flow rates.
The manufacturing process ensures that no substances are present to adversely affect the health of fish or plants. The material is pH neutral and can be used in both freshwater and marine applications.
Why is Alfagrog so effective?
The key to effective biological filtration is choosing media with the highest surface area possible to allow beneficial bacteria to colonise and remove waste from the water. Alfagrog has an extremely high surface area by volume compared with other types of filter media on the market.
The chart below shows that in theory approximately 20 times more volume of foam would be required to attain the same level of filtration as Alfagrog E40 and almost 40 times as much as Alfagrog E25. This means a smaller filtration unit can be used when using Alfagrog to attain the same results as a much larger unit filled with inferior and often more expensive filter media.