API Phos-Zorb, Size 4 for Nexx
Online Price $16.97Regular Price $22.99
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API PHOS-ZORB cartridge eliminates cloudy water and helps reduce the maintenance of the aquarium. Phosphates can cause cloudy water and dirty aquarium glass and gravel. PHOS-ZORB removes phosphate and silicate, common nutrients found in fresh and saltwater aquariums.
4-side double layered pad for efficient mechanical filtration.
Use when testing indicates the presence of phosphate (> 0 ppm / mg/L) or silicate (> 0.5 ppm / mg/L)