Seachem Reef Status Calcium Test Kit Siphons & Water Changers Riverbed Sand is very fine

Riverbed Sand is very fine and can be easily secreted when ingested

Fortified with high quality proteins

Strainer cage protects impeller and assures continuous suction

Full length feeding door

Contains EC permitted colorants

Seachem Reef Status Calcium Test Kit Siphons & Water Changers Riverbed Sand is very fine150 titration tests for calcium Rapid & simple 3 step procedure Sharpest color change endpoint Precise results in 5 mg L increments Easy test validation with included reference Description This kit is capable of at least 150 calcium determinations and is designed specifically for seawater. The test is based on titration of calcium with EDTA in the presence of a calcium specific indicator dye after the coprecipitation of magnesium and strontium.