Qingdao Sigma Chemical Co., Ltd (International, US, EU, Canada and Australia domestic

This is not technically correct. BA is bacteriostatic as it inhibits growth, but this does not mean sterility. Sterility means no viable microorganisms are present. It is possible BA could have viable bacterial spores present.

Best to mix your BA into your final solution and filter the whole mix for sterility.
Right, but within the context of the conversation it was assumed the user would be filtering their product. Though given some of the things I’ve seen on here perhaps I shouldn’t make such assumptions.
 
sheesh...I literally just ordered GW-501516 from a different vendor yesterday...
Ah well.......
I hate to ask again about sr9009 kits....BUT...?
 
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