General Hydroponics SubCulture
|Heavy metals (ppm)|
|Mercury:||< 0.05 ppm|
|Molybdenum:||< 1 ppm|
|Nickel:||< 0.1 ppm|
|Lead:||< 1.2 ppm|
|Selenium:||< 5.5 ppm|
retrieved 4 May 2017
General Hydroponics SubCulture is a hydroponic nutrient from General Hydroponics. The product contains 0.1% nitrogen (N), 0.04% phosphorus (P2O5), and 0.02% potassium (K2O). Hydroponic nutrients are used to create and maintain nutrient solutions used in hydroponics systems. Heavy metal analyses of the product reported to Washington State can be found in the info box on this page. The analysis shows the quantities of heavy metals, in parts per million (ppm), of arsenic (As), cadmium (Cd), cobalt (Co), lead (Pb), mercury (Hg), molybdenum (Mo), nickel (Ni), selenium (Se) and zinc (Zn) present in a sample of the product.
The fertilizer heavy metals analysis information for General Hydroponics SubCulture is from the Washington State Department of Agriculture. The information on WikiFootprints was last obtained from the agency website on 4 May 2017. WikiFootprints is not an official source of this information and may not represent the most recent analysis of the product. Official data can be obtained from the Washington State Department of Agriculture Fertilizer Product Database.
Hydroponic nutrients and other fertilizers can contain notable amounts of heavy metals, such as arsenic, cadmium, lead, mercury, and nickel. These heavy metals can accumulate in plant tissues. Several government organizations regulate the concentrations of heavy metals, in agricultural products, to protect human health and natural resources from toxicity.
- Hydroponic nutrients - comparison of heavy metal concentrations in hydroponic nutrients
- Fertilizer Product Database. Washington State Department of Agriculture. Web.