<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> Hydrogen sulfide is a very harmful and highly flammable gas. It can cause an explosion if it mixes with the air. So it has to be safely removed and it can be removed by using the triazine scavenger. <a href="https://www.q2technologies.com/pages/triazine-h2s-scavengers">Triazine</a> scavengers are the best possible solution to remove dangerous H2S. Triazine scavengers are also environmentally friendly and easily available in the market.