Tannins has_shipping Present in most soils at

Present in most soils at low levels but can be much higher in certain rock formations such as bedrock

The Standard Radiological water testing package includes Uranium

Iron bacteria derive their energy from oxidizing iron commonly found in groundwater

Arsenic can occur naturally or through industrial means

Arsenic can be absorbed through the skin so not only can you ingest it by drinking

Tannins has_shipping Present in most soils atTannins are naturally occurring and can cause aesthetic problems such as discoloration, a possible tangy aftertaste and an earthy or musty odor. The water may be yellowish in color and can cause staining on laundry and fixtures. Return shipping not included.