Water Quality

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Pond owners should have their water tested for hardness, and / or alkalinity.  A minimum of 20 ppm or calcium carbonate is necessary in order for the fertilize to activate.  If not 20 ppm, in the fall or winter, water hardness / alkalinity can be increased by adding agriculture lime @ the recommended rates calculated from your water test.  A time frame of about 4-6 weeks is needed for water to adjust.