Description

• Porous ceramic block media for biological filtration
• Designed for marine and freshwater aquariums with a pH of 7.5 or higher.
• One block has ~10,000 square feet of useable surface area.
• Reduces toxic ammonia and nitrites to near zero in ponds and all aquariums.
• Reduces phosphate significantly and dissolved organics.
• Doped with Aragonite to buffer pH at the bacteria level and prevent acid buildup.
• Works as only filtration medium or with additional filtration media.
• Made in the USA