Get rid of any loose Filth. Use pliers to unscrew the damaged head, getting thorough to help keep dirt and particles out on the program. Screw the new head set up. Watch out not to wreck or overtighten it. Flush the new head and put in the filter and nozzle. https://donovanvzzyx.blogsvirals.com/29046177/5-simple-techniques-for-soil-fertility