Amazon.com Price: $10.99 (as of 28/03/2022 21:23 PST- Details)
Aquarium filter media that helps clean your water naturally and cultivate beneficial bacteria with these Polypropylene Bio-balls. Great for any freshwater or saltwater.
More capacity than most biological filter media, reduces and controls harmful ammonia and nitrate.
Made of high quality plastic and bio sponge, bio-sponge inside provide more surface area, can provide an anaerobic environment.
Directions
The breathing biological Ceramic Column may be recharged (recharged by cleaning monthly).
After cleaning be sure to re-colonize the Biological Ceramic Rings by soaking in nitrifying bacteria for immediate nitrification.
For best results change the rings every 4-6 months.
Place at the final stage of filtration direct into your pond.
Use 0.5~1 kg for up to 150 gallons of pond water.
