Seachem Matrix 4l GRAVEL Add 5 drops from Nitrite

Add 5 drops from Nitrite Test Solution

Liquid Neutral Regulator® adjusts pH to neutral (pH 7

Poor magnesium levels usually result in the need for addition of much higher levels of calcium and carbonate than would normally be required

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Seachem Matrix 4l GRAVEL Add 5 drops from NitriteMatrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix is a porous inorganic solid about 10 mm in diameter. Each liter of Matrix provides as much surface (>~700 m2) as 170 liters of plastic balls! Plastic bio materials provide only external surface area, whereas Matrix provides both external and internal macroporous surface area. These macropores are ideally sized for the support of