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This kit provides an inexpensive alternative to a dissolved oxygen meter
float body
These airstones work well at low pressures and are ideal for backyard and koi ponds
This product can be used in bodies of water that contain fish without causing mortalities
Polar Blend S31 This kit provides an inexpensivePolar Blend is a highly concentrated blend of cold loving beneficial bacteria and fast acting enzymes. Recommended for water temperatures 18C and below, down to 4C. Polar Blend is a dry formula packaged in pound water soluble packets that contain 23 essential vitamins, catalyzing enzymes and select bacterial species at exponential activity levels. Polar Blend infuses bacterial cells with the vitamins, minerals, and amino acids essential to healthy and