Pond Biologics Blue Wing Plus Pond Dye & Beneficial Bacteria Backyard Koi Pond Supplies_Filtration (Gray or Black) This is

(Gray or Black) This is necessary for the proper replacement and function of the compressor fan

sometimes factors like fish load

Both products have the same formulation and are manufactured by the same company

The Mechanical safety switch automatically turns bulb off when the ballast is removed

Pond Biologics Blue Wing Plus Pond Dye & Beneficial Bacteria Backyard Koi Pond Supplies_Filtration (Gray or Black) This isBlue Wing Plus is a blend of beneficial bacteria and blue pond dye. Blue Wing Plus naturally removes muck, odors, and debris by adding billions of microbes to consume a wide range of organic matter and cycle it back into the ecosystem in a harmless form. Tint your pond a natural shade of blue to block sunlight from reaching the bottom while enhancing the natural beauty of your pond. Two great products, Blue Wing pond dye, and Bio Clear LQ water