Evolution Aqua K1 Micro Media (1 Litre)
The Evolution Aqua K1 Micro Media is a high-efficiency filtration media designed for small to medium-sized aquariums. It provides effective biological filtration by supporting beneficial bacteria that break down harmful ammonia and nitrites.
Constructed from a fine mesh material, this media offers a large surface area for bacterial colonization while allowing free water flow to maintain optimal water circulation.
| Specification | Value |
|---|---|
| Volume | 1 Litre |
| Material | Micro-porous polymer mesh |
| Filter Type | Bio media |
| Dimensions | 10 cm x 10 cm x 10 cm |
FAQ
What is the recommended usage for this filter media?
This media is best suited for aquariums with a volume of 10 to 50 litres. It should be placed in the biological filter chamber and replaced every 3 to 4 months for optimal performance.
Can this media be used in saltwater tanks?
Please contact customer service
Is the media safe for fish and invertebrates?
Yes, the micro-porous polymer mesh is non-toxic and safe for use in freshwater aquariums with fish and invertebrates.

Karen Duncan –
The K1 media works well in my 30-litre tank. My fish have stayed healthy with fewer water changes. The flow is smooth and the filter runs quietly. I’ve used it for three months and it still looks clean and effective.
Zoe Wilson –
Good filtration performance. The media holds up well and doesn’t clog easily. I noticed a noticeable improvement in water clarity after a week of use. A bit expensive, but worth it for the results.
Heather Ross –
I’ve tried several bio media before, and this one stands out. It’s easy to install and maintains stable water parameters. My shrimp and guppies are thriving. No issues with fish stress or ammonia spikes.