Pro Shrimp

Alfagrog E25 Filter Media

Alfagrog E25 Filter Media - Main image
$1.21 $1.99 In stock

Category: Aquarium Filtration

Alfagrog E25 


Filter substrate is highly porous, which gives it a large bacteria adhesion surface and optimal biological action.


Alfagrog is a porous foamed ceramic material, which is lightweight, strong and inert.

It's high surface area makes it the natural choice for colonisation by microorganisms in biological filtration systems, resulting in cleaner water.

Benefits of Alfagrog over other filter media:

  • Extremely high surface area
  • Highly porous
  • Inert, pH neutral
  • Lightweight
  • Economical

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.



Sizes:

1kg
5kg
10kg

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Customer Reviews (5.0 / 5 · 4 reviews)

Avery ★★★★★

The porosity on these ceramic pieces is incredible — my tank's ammonia levels dropped noticeably within two days of adding them. I've rinsed them a few times during water changes and they hold up perfectly without crumbling.

George V. ★★★★★

The lightweight feel surprised me — it's almost like handling foam, yet it holds its shape perfectly in the filter basket. My nitrates have been steady for three weeks now, and the water clarity is noticeably better than with my old ceramic rings.

Alexander ★★★★★

The porous surface is a massive upgrade over my old gravel—my ammonia readings dropped noticeably within a week. It’s also surprisingly light, so cleaning the filter doesn’t feel like a workout anymore. Definitely sticking with this stuff.