Natures Aquarium BC Natures Aquarium "Bacterial Control" (BC) will reduce the "Bad Bacteria" in your goldfish aquarium.
BC 8oz Natures Bacterial Control BC 8 oz.
BC1# Natures Bacterial Control BC one pound
Finally a 100% natural product formulated especially for Home Aquariums. BC will reduce the "Bad Bacteria" in your goldfish aquarium to levels so low they can not harm your fish. Helps reduce ulcers and bacterial infections nature's way. For aquariums 20 to 125 gallons all it takes is just one baking teaspoonfull of BC once a week after a 10 to 20% water change! Remove carbon from filter. Turn off U.V. light, NOT the U.V. pump for 24 to 48 hours.