Hydor Sintered Quartz Bio-Rings For Biological Substrate , 400 gm Cat Grooming Nail Clippers The lightweight pineapple design adds

The lightweight pineapple design adds a fun

Reflective piping all around the neck & stomach as well as shoulders for extra safety feature

sharp edges

Pet lovers can now have a pet fence that gives them freedom from the hassles of buried wires and the worry of roaming

countertops

Hydor Sintered Quartz Bio-Rings For Biological Substrate , 400 gm Cat Grooming Nail Clippers The lightweight pineapple design addsThe Hydor Sintered Quartz Bio Rings, 450 grams, are an ideal substrate for biological filtration. High surface area and the macroporous structure of the rings facilitates efficient growth of colonies of beneficial bacteria, both aerobic and anaerobic. Bio Rings do not release phosphates or heavy metals and do not effect pH of the aquarium. For freshwater or saltwater aquariums. PH neutral High Surface Area Easy to Use Ideal for optimal biological