Medical experts advise the public on the importance of wearing sunglasses to protect the eyes from UV; for adequate protection, experts recommend sunglasses that reflect or filter out 99-100% of UVA and UVB light, with wavelengths up to 400 nm.
In 2008, a KSLA news investigation found that a substance that fell to earth from a high altitude chemtrail contained high levels of Barium (6.8 ppm) and Lead (8.2 ppm) as well as trace amounts of other chemicals including arsenic, chromium, cadmium, selenium and silver.
Pond Chemicals. Our pond chemicals and pond treatment products include: algaecides (kills pond algae), herbicides (kills pond plants and weeds) and many different water chemistry products, pond dyes, pond chemical surfactants (makes the chemicals stick to the pond weeds better instead of being washed off).