Seachem Matrix Carbon Cat Toys The ferrous iron found in

The ferrous iron found in Seachem Flourish Iron is the preferred iron form as it is an excellent source of carbon and is soluble in water of any pH level

which should be provided in a feeding dish

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Nitrates can cause kidney

Seachem Matrix Carbon Cat Toys The ferrous iron found inSeachem MatrixCarbon is a professional grade activated carbon filter media, that has been designed with a spherical bead shape as a way to ensure optimal hydrodynamics, maximum water flow and provide optimal macroporous binding sites for beneficial bacteria to grow. These macropores also operate as mechanical filtration, removing larger organic molecules like nitrogenous waste. The media has a rather low ash content which can be seen in the minimal