Designed to keep PH of water stable
Serves as house of nitrifying bacteria
Does not cloud water
Aquarium safe
Facilitates nitrogen cycle
Ceramic ring 250 grams per pack
Ceramic ring 250 grams per pack
| Weight | 250 kg |
|---|
| Weight | 250 kg |
|---|
Designed to keep PH of water stable
Serves as house of nitrifying bacteria
Does not cloud water
Aquarium safe
Facilitates nitrogen cycle
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