Proprietary Filter Media Water Quality Improvement Filter High-Quality Porous Rod Media with Natto Bacteria 20+4 New, Immediate Shipping

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These are high-quality, natto-bacterial infused, Taiwanese-made filter media sticks compatible with both freshwater and saltwater aquariums, suitable for use in hang-on-back filters, external filters, etc.
The material is not like ordinary cheap ceramic rings.
It is harder than typical filter media and lasts longer.
It is said to be a 3LDK for bacteria.
Fired at high temperatures, it is packed with a rich variety of natural elements, essential minerals, and trace elements, promoting the growth of biological colonies and retaining a large amount of beneficial bacteria. It greatly helps to restore natural water quality and provide the optimal living environment for your fish.
Suitable for freshwater and saltwater tanks. Reduces ammonia and nitrate levels.
When using, there may be some powder on the surface, so please rinse lightly before use. Do not rub or wash vigorously, as this may cause more powder to come off during cleaning.

10 sticks + 3 free: ￥1480
15 sticks + 4 free: ￥1980
20 sticks + 4 free: ￥2480
Please comment if you are interested.
We will do our best to help you create excellent water quality.
Thank you very much.

Regarding shipping, items will be wrapped in bubble wrap and sent via Nekoposu.
All photos are of the actual product, so please check them before purchasing.