Natural contribution in the form of ammonium gravel - volcanic rock. The insert works well as a filtration bed and as a substrate of tanks (ponds). Due to its property, it absorbs ammonia, ammonium ions (in an amount of 8% of its mass), thus favorably affects the balance of the biological tank, stabilizes the pH and maintains a low level of organic impurities.
1 Bag = 0.9 kg
- Availability: In Stock
- Shipping Time: up to 48h
- Product Code: zeo
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