Fritz Aquatics Fritz Mardel Bactershields

Mardel Bactershield by Fritz is a bioadhesive supplement that enhances and repairs natural slime coats on fish skin. The additives in Bactershield help to create a protective barrier on your fish against bacterial and fungal infections, utilizing a revolutionary new method to support the long term health of your fish. Fish slime coats are the first and primary line of defense against fungal and bacterial infections, and Bactershield supercharges that slime coat!