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magnesium or strontium
It is preferred that the two products be added to separate locations in the tank
It is gentle
commonly sold as a substitute
4) should be used to adjust carbonate hardness and pH
SEACHEM MATRIX Seachem Laboratories magnesium or strontiumA high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Completely inert and will not break down and does not need replaced. Compatible with all types of wet or wet dry filters.
US$ 18.95
US$ 16.95
US$ 16.95
US$ 20.75
US$ 18.95
US$ 10.29
US$ 83.99
