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he ABSOLUTE BEST bio media available for saltwater, reef, freshwater and koi pond Made of long lasting, highly porous ceramic material pH neutral - Suitable for both freshwater and saltwater filters Effectively accelerates microorganism development; Removes ammonia & nitrites Fired by high temperature so as to encourage the growth of nitrifying bacteria. Anti corrosion and provide water of the premium quality for your fish tank. No more hesitation, get one now. Extremely porous ceramic media for efficient biological filtration. They are used as the biological media in salt water and fresh water aquariums as well as ponds. Clarify your water naturally and cultivate beneficial bacteria with these porous ceramic media! Bio balls with their immense surface area per square inch serve as great hosts to beneficial bacteria in aquatic biological filtration systems. They are really simple to use: place into a mesh bag and drop into the filter. Approximtely: 14oz-1pound, 60oz-4pound Comes with Mesh bag
J**N
Ok i guess
Are much smaller than the Pic. I would advise to spend $15 more and buy marine pure balls. Much better and way bigger. This media seem cheap as well.
F**Y
I like these Ceramic balls
put in my aquarium filter media area, I like these Ceramic balls.
D**S
Mesh bag included
Built a filter for my 6 aquatic turtles works as advertised tank is crystal clean and there full of bacteria
R**S
Good stuff. About 9/16-5/8" in diameter
Good stuff. About 9/16-5/8" in diameter, 1 lb comes in a pouch almost the size of a brick. Lots of porosity for bacteria. Comparable to the other, larger ceramic media balls by Marine Pure that I have in another tank. Being smaller, they fit more tightly together in the tight confines of my small nano/large Pico cube than the larger balls do.