鱼缸过滤器材, 养水, 养鱼必备, 鱼缸过滤器
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Specifications:
Type: 500g / Bag (appr.)
Features
Culture of nitrifying bacteria.
Durable and not easily powdered.
Stabilize the PH value of fish tank.
Purify water and resist algae growth.
Scientific mix, makes better filtering effect.
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