Topic: nitrate minus Vs nitrate reducer ?

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Posted by: whoamihk
Posted on: 2002-07-05 21:32

請問有冇人用個 tetra Nitrate Minus 或是 AcquaMarine nitrate reducer?
效果如何?
tetra nitrate minus 是由小粒組成，小粒在沙底會分解來生產denitrfying 細菌，好似幾吸引。
AcquaMarine nitrate reducer 是粉狀的，放於小水流之地方，同樣是消耗 nitrate ，但不用在無氧狀態進行。
你們有沒有用過 ?
請指教
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