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patented 3D fiber structure of sera crystal clear Professional very quickly removes even smallest particles above 10 µm (such as floating algae or sludge)
MaxAmino does not have any free phosphate
it is safe for marine fishes
C (L-ascorbyl monophosphate) 210 mg/lb
C (L-ascorbyl monophosphate) 143 mg/lb
Brightwell Aquatics Refractometer Calibration Solution 60mL Filter Cubes patented 3D fiber structure ofBrightwell Aquatics Aquarium Reagents Refractometer Calibration Standard is designed to provide an accurate reference for the calibration of seawater refractometers, hydrometers and other density measuring equipment. 1. 0264 Specific Gravity 1. 3394 Refractive Index 35 ppt Salinity 53 uS cm at 25 deg c Instructions Shake product well before using. Clean Refractometer prism slide with fresh distilled water. Dry completely with soft clean dry cloth.
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