Alfagrog 15kgHave you tried all sorts of different filter media, but nothing seems to work as well as you'd like? Looking for the best filter media for your aquarium? If so, then you need to try Alfagrog! Alfagrog is a porous foamed ceramic material that is lightweight, strong, and inert. It has an extremely high surface area, making it the perfect choice for colonization by micro organisms in biological filtration systems. This results in cleaner, healthier water

Its durable construction and high-quality materials ensure long-lasting performance and reliability

It is strong

flow rate: 30000 l/h

If you're tired of constantly replacing your pond filter's quartz sleeve

The magic doesn't stop there

and beautiful

Do not use Kusuri Acriflavine & Malachite Green Premix within one month of using Fluke M

Dual material

Custom printed towels with an in-house design of 3 gosanke koi

Compatible with Firestone products

flow rate l/h 20000 Installation height above water level cm 37

Suitable for koi ponds up to 4500 litres