Ecological Labs MLBBG4 1 Gallon Microbe-Lift Bio-Blue, (4 Pack)

Ecological Laboratories - Microbe-Lift Bio-BlueEnzymes and pond colorants. Specially Formulated to safely color lakes lagoons decorative ponds fountain and water. Features a beautiful shade of blueand#033; A product that safely colors water while its enzymes assist the beneficial bacteria in your pond to create a healthy pond environment. Will not stain birds fish pond rocks or most concrete fountains once diluted. Safe for humans plants and aquatic life. Mixes completely in hours. 1 gal