Bio-Tom is a specialized nutrient package that promotes aggressive growth of diatoms in water. As the diatom population grows they absorb nutrients, heavy metals, and salts from the water column.Bio-Tom Plus is a non-hazardous formulation developed to grow diatoms that are beneficial to all waterbodies. Native diatoms utilize many pollutants in water to form their external shell including heavy metals. Their growth utilizes nutrients in the water, while producing nano bubbles of oxygen into the water column. Bio-Tom Plus does not contain any live organisms. One liter will treat up to 12-acre feet of waterPrice: 
 
Bio-Tom Plus One bottle (33.8 oz )of Bio-Tom Plus $144.95Bio-Tom Plus One bottle (33.8 oz )of Bio-Tom Plus, shipping included.