nitra-guard

  1. M

    Managing all sump reactors

    Greetings! I am using filter bags for various filtration in the high flow area of my sump at the moment. I've installed: 1. Orca's Nitra-Guard and Phospha-Guard (2000ml in total) 2. Activated Carbon (500g) 3. Oyster shells (1kg) 4. Rowaphos (50g) As my biological demand increases, I need to...
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