Dissolved h2s is easy to be removed by potassium permanganete without implementing expensive humpty-dumpty enviromental-friendly solution. Why don't you kill yourself and leave the world as better place?
Published by Leonid Patrushev
Dissolved h2s is easy to be removed by potassium permanganete without implementing expensive humpty-dumpty enviromental-friendly solution. Why don't you kill yourself and leave the world as better place?