From Wikipedia, the free encyclopedia. Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH 4)Al(SO 4) 2 Â·12H 2 O. It is used in small amounts in a variety of niche applications.The dodecahydrate occurs naturally as the rare mineral tschermigite.rom Wikipedia, the free encyclopedia. Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH 4)Al(SO 4) 2 Â·12H 2 O. It is used in small amounts in a variety of niche applications.
A basic bench press bench alone will cost from 100$ and if you want powerlifting style bench then it may cost you even 700-800$. This cost does not include the cost of benching rod or weights. A basic bench press bench alone will cost from 100$ and if you want powerlifting style bench then it may cost you even 700-800$.
Report Abuse. My personal trainer is $45 for a 1/2 hour session, he works from a major gym. trainers can cost anything but around $60/hour is average. Personal trainers are not a waste at all, depends on the individual. just now. Report Abuse. My personal trainer is $45 for a 1/2 hour session, he works from a major gym. trainers can cost anything but around $60/hour is average. Personal trainers are not a waste at all, depends on the individual. Even you are experienced with exercise a trainer can be a great help.