G gros21 Member Jun 3, 2012 #1 Jun 3, 2012 15 Jun 3, 2012 #1 Well I have just bought 20l of 16% chlorine. To start bbb once a dosing pump arrives. How do I store it? I was just going to keep it in the drum in a kinda shady place. Are plastic drums also fine? Like a clear beer fermenter?